Nanoptek Lightfuel Patents:

Our 11 U.S. Patents:

U.S. Patent No. 11,739,432
U.S. Patent No. 10,916,674
U.S. Patent No. 10,050,319
U.S. Patent No.   9,847,439
U.S. Patent No.   9,278,337
U.S. Patent No.   8,673,399
U.S. Patent No.   7,995,871
U.S. Patent No.   7,992,528
U.S. Patent No.   7,947,221
U.S. Patent No.   7,628,928
U.S. Patent No.   7,485,799

Our 16 International Patents include:

European Union Patent No. 2289108: France, DE 60 2009 046 012.9,
GB (EP)2,289,108, Belgium, Netherlands, Ireland, Iceland, Sweden, Norway, DK/EP2289108T3

UK Pat. No. GB2508308

Republic of South Africa Patent Nos. 2010/08555 and 2013/09549

The People’s Republic of China Patent No. 200980131092.4

India Patent Nos. 303205 and 338628

An additional PCT and 3 U.S. patents are pending and applied for.

Publications by J. Guerra and Teams:

Guerra, J. M., “Efficient hybrid solar hydrogen generator,” Cryogas International, Vol. 49, No. 2, pp. 42-44. February 2011
Lukas Thulin and John Guerra, “Calculations of strain-modified anatase TiO₂ band structures,” Physical Review B 77, 195112 (2008)
J.M. Guerra, L. Thulin, D. Vezenov et al, “Embedded nano-optic media for near-field high density optical data storage: modeling, fabrication, and performance,” Proceedings, Optical Data Storage Conference, SPIE, April, 2001.
J. M. Guerra, L. Thulin, D. Vezenov et al, “Near-field optical recording without low-flying heads,” ISOM Technical Digest, Taipei, 2001.
J. M. Guerra, L. Thulin, D. Vezenov et al, “Near-field optical recording without low-flying heads: Integral Near-Field Optical (INFO) Media,” Japanese Journal of Applied Physics, Vol. 41 (2002) pp. 1866-1875 Pt. 1, No. 3B, March, 2002.
Guerra, J. M., “Photon tunneling microscopy,” in Proceedings from Surface Measurement and Characterization Meeting, Hamburg, SPIE Vol. 1009, pp. 254-262, 1988.
Guerra, J. M., “Photon tunneling microscope,” Paper Summaries, SPSE 42nd Annual Conference, Boston, pp. 11-15, 1989.
Guerra, J. M., “Photon tunneling microscopy,” Applied Optics, Vol. 29, No. 26, pp. 3741-3752, 1990.
Guerra, J. M., “Photon tunneling microscopy,” Microscopy Today, Vol. 0, Issue 6, p. 8, Microscopy Society of America, August, 1992.
Guerra, J. M., “Photon tunneling microscopy of polymers,” IS&T 46th Annual Conference Advance Printing of Paper Summaries, Cambridge, Mass., pp. 62-66, 1993.
Guerra, J. M., “Photon tunneling microscopy of diamond-turned surfaces,” Applied Optics, Vol. 32, No.1, pp. 24-26, 1993.
Guerra, J. M., Srinivasarao, M., Winter, H. H., Stein, R. S., “Photon Tunneling Microscopy,” Polymer Preprints (April 1992), Vol. 33.
Guerra, J. M., Srinivasarao, M., and Stein, R., “Photon tunneling microscopy of polymeric surfaces,” Science, Vol. 262, pp. 1395-1400, 1993.
Glenn L. Dyer, “Photon tunnelling microscopy: new instruments from old theory,” Materials & Design, Vol. 14, Issue 2, pp.123-125, 1993.
Guerra, J. M., Srinivasarao, M., and Winter, H., “Photon tunneling microscopy of single crystals of polypropylene,” Polymer, April, 1994.
Srinivasarao, M., Stein, R. S., Russell, T. P., and Guerra, J. M., “Photon tunnelling microscopy of polyethylene single crystals,” Polymer, Vol. 35 Number 6, 1994, p. 1137.
Guerra, J. M., Hsieh, A., and Srinivasarao, M., “Photon tunneling microscopy of polymers,” AFM/STM Conference (1993), Natick Army Labs., Natick, Mass. In: Atomic Force Microscopy/ Scanning Tunneling Microscopy, Edited by S. Cohen, M. Bray, and M. Lightbody, Plenum Press, 1994.
Guerra, J. M., “Photon tunneling microscopy applications.” In: Materials Research Society Symposium Proceedings: Determining Nanoscale Physical Properties of Materials by Microscopy and Spectroscopy, Vol. 332: 449-460, M. Sarikaya, H. K. Wickramasinghe and M. Isaacson, eds. 1994.
Guerra, J. M., “Super-resolution through Diffraction-born Evanescent Waves,” Appl. Phys. Lett. 66 (26), p. 3555. 1995.
J. M. Guerra and G. K. Menon, “Photon Tunneling Microscopy: A New Technique for Imaging Stratum Corneum,” The Journal of Investigative Dermatology, To be published.
J. M. Bennett, Y. Namba, J. M. Guerra, J. Jahanmir, T. L. Balter, and J. C. Podlesny, “Topographic Measurements of Precision Ground Optical Glasses,” Applied Optics, Vol. 36, (10) p. 2211-2216, 1997.
K. Goyal, J. D. Bhawalker, Y. Conturie, P. Gavrilovic, Y. Mao, H. Po, and J. Guerra, “High beam quality of ultraviolet radiation generated through resonant enhanced frequency doubling of a diode laser,” J. Opt. Soc. Am. B, Vol. 16, No. 12, Dec. 1999. P. 2207-2216.
Guerra, J. M., Photon Tunneling Microscopy: Seeing in Forbidden Light, Kluwer Academic Publishers, Dordrecht (in preparation).

Some notable publications about Nanoptek:

Scanning the Surface, Nature, Vol. 425, 23 October 2003, pg. 873
Cheap Hydrogen, Kevin Bullis, MIT Technology Review, Jan. 31, 2008
NASA SPINOFF 2016: NASA selected Nanoptek and our solar hydrogen technology to be included in NASA’s premier annual book publication. We are one of only 9 Environment and Energy technologies and one of only 52 technologies, in total, to be showcased. SPINOFF focuses on technologies that can help us here on  Earth as well as in future colonization of, for example, Mars. (Note: Nanoptek is not a spinoff from NASA)

Work by J. Guerra and Teams is featured or cited in 95+ technical books, proceedings, and encyclopedias:

Topical Meeting on Atmospheric Spectroscopy: Technical Digest ((Inaugural meeting at Keystone, CO), Optical Society of America, 1978)
Optical Component Specifications for Laser Based Systems and Other Modern Optical Systems (Robert E. Fischer and Warren J. Smith, Eds., Proceedings of SPIE, 1986)
Surface Measurement and Characterization(Jean M. Bennett and Helen Vogele Gourley, SPIE Proceedings Vol. 1009, 1989)
Paper Summaries: SPSE’s 42^nd Annual Conference, Boston, Massachusetts (The Society for Imaging Science and Technology, 1989)
Characterization of Optical Thin Films (D. Smith, Institute of Optics, 1991)
From Instrumentation to Nanotechnology (J. W. Gardner, Taylor and Francis, 1991)
Optical Data Storage (D. B. Carlin and D. B. Kay, Eds., Optical Society of America, 1992)
Optical Fabrication and Testing Workshop (Optical Society of America, Technical Digest Series Vol. 24, 1992
Scanning Microscopy Instrumentation (Gordon Kino, SPIE, 1992)
Engineered Materials Abstracts: EMA (Vol. 7, p. 20, Materials Information, 1992)
Stereoscopic Displays and Applications (Contributors: IS&T–the Society for Imaging Science and Technology, SPSE–the Society for Imaging Science and Technology, Society of Photo-optical Instrumentation Engineers, Technical Association of the Graphic Arts; Vol. 1915, SPIE, 1993)
Collier’s Encyclopedia Yearbook of 1993 (P. F. Collier, 1994)
STM and SFM in Biology (O. Marti and M. Amrein, Eds., Academic Press, 1993) 
Atomic Force Microscopy/Scanning Tunneling Microscopy, (S. Cohen, M. Bray, and M. Lightbody,  Eds., Plenum Press, 1994)
Determining Nanoscale Physical Properties of Materials by Microscopy and Spectroscopy, (M. Sarikaya, H. K. Wickramasinghe and M. Isaacson, Eds., Materials Research Society Symposium Proceedings, 1994)
Quantitative Methods in Soil Mineralogy (J. E. Amonette, L. W. Zelazny, R. J. Luxmoore, Eds., Soil Science Society of America, 1994)
Surface Analysis of Paper (T. Connors, S. Banerjee, Eds., CRC Press, 1995)
Confocal Scanning Optical Microscopy and Related Imaging Systems  (Gordon S. Kino and Timothy R. Corle, Elsevier Science, 1996)
Near-Field Optics (M. A. Paesler and P. J. Moyer, Wiley Interscience, 1996)
Nanofabrication and Biosystems: Integrating Materials Science, Engineering, and Biology (H. G. Craighead, H. C. Hoch, and L. W. Jelinski, Cambridge University Press, 1996)
Comprehensive Polymer Science, Plus Two Supplements (Geoffrey Allen, Ed., Elsevier Science and Technology Books, 1996)
Nondestructive Evaluation for Process Control in Manufacturing (R. W. Bossi and T. Moran, Eds., SPIE Proceedings Vol. 2948, 1996)
Processing of Ceramics, Part 2 (R. J. Brook, Ed., VCH, 1996)
ALT ’95, International Symposium on Advanced Materials for Optics and Optoelectronics (A. M. Prokhorov, V. Pustovoy, Eds., SPIE, 1996)
Laser Induced Damage in Optical Materials (Proceedings of a Symposium Sponsored by the American Society for Testing and Materials and by the National Bureau of Standards, Vol. 2966, 1996)
Optical Methods in Surface Metrology (D. J. Whitehouse, S.P.I.E.’s Milestone Series of Selected Reprints, 1996: three papers selected)
Near Field Optics and Nanoscopy (J. P. Fillard, World Scientific Publishing Co., 1996)
Ceramic Abstracts (p. 95, Vol. 75, American Chemical Society, 1996)
Physical Chemistry of Surfaces (Arthur W. Adamson, and Alice P. Gast, J. Wiley, 1997)
Handbook of Physical Vapor Deposition (PVD) Processing (D. M. Mattox, Noyes Publications, 1998)
Near-Field Nano-Optics (M. Ohtsu and H. Hori, Kluwer Academic / Plenum Publishers, 1999)
Diffractive and Holographic Technologies, Systems, and Light Modulators IV (Ivan Cindrich, ‎Sing H. Lee, ‎Richard Lee Sutherland, SPIE 1999)
Recent Advances in Metrology, Characterization and Standards for Optical Digital Data Disks (F. L. Podio, SPIE, 1999)
Evanescent Waves from Newtonian Optics to Atomic Optics (F. deFornel, Springer,  2000)
Comprehensive Polymer Science, (second supplement, M. Srinivasarao, “Recent Advances in Microscopy,” Pergamon Press, in press).
Optical Data Storage 2001 (Terril Hurst and Seiji Kobayashi, Eds., Proceedings of SPIE Vol. 4342, Santa Fe, 2001)
Photonics for Fiber and Integrated Optics (K. Iizuka, Wiley, July, 2001)
Optical Metrology: Roadmap for the Semiconductor, Optical, and Data Storage Industries (SPIE Proceedings Vol. , 2000)
Near Field Optics (S. Jutamulia, S.P.I.E.’s Milestone Series of Selected Reprints, 2001)
Near-Field Optics and Surface Plasmon Polaritons (S. Kawata, Ed., Topics in Applied Physics, Vol. 81, Springer, 2001)
Recent Developments in Traceable Dimensional Measurements (Jennifer E. Decker and Nicholas Brown, Eds., SPIE, 2001)
Polymer Crystallization (Jerold M. Schultz, American Chemical Society and Oxford University Press, 2001)
Nanometer Scale Science and Technology (M. Allegrini, N. Garcia, and O. Marti, IOS Press, 2001)
Selected Papers on Near-Field Optics (Suganda Jutamulia, SPIE Optical Engineering Press, 2002)
Elements of Photonics Vol. 1: In Free Space and Special Media (Keigo Iizuka, Wiley, 2002)
Inside Out: Inverse Problems and Applications (Gunther Uhlmann, Cambridge University Press, 2003)
Colloidal Polymers: Synthesis and Characterization (Abdelhamid Elaissari, Taylor and Francis, 2003)
Near-Field Microscopy and Near-Field Optics (Daniel Courjon, World Scientific Publishing, 2003)
Encyclopedia of Optical Engineering (R. G. Driggers, Ed., Vol. 2, p. 1967, Marcel Dekker, Inc., 2003)
Care of Astronomical Telescopes and Accessories (M. Barlow Pepin, Patrick Moore’s Practical Astronomy Series, Springer, 2004)
Proceedings of the Indian National Science Academy (Physical sciences, Vol. 71, Part 1, Issues 1-4, Indian National Science Academy, 2005)
Optical Near-Field Recording: Science and Technology (Junji Tominaga and Takashi Nakano, Springer, 2005)
Multi-Modality Microscopy (H. Yu, P. Cheng, P. Lin, and F. Kao Eds., World Scientific, 2006)
Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information (Y. Denisyuk, V. Sainov, and E. Stoykova, SPIE Vol. 6252, 2006)
Novel Optical Instrumentation for Biomedical Applications (Editor: Albert-Claude Boccara, SPIE PROCEEDINGS VOL. 5143, rotated Brewster Angle polarizer, 2003)
Nanophotonics with Surface Plasmons (V. M. Shalaev and S. Kawata, Eds., Elsevier B.V., 2007)
The Handbook of Computer Networks: Key Concepts, Data Transmission, Digital and Optical Networks (H. Bidgoli, Wiley 3rd Edition, 2007)
High Density Data Storage (Yanlin Song and Daoben Zhu, World Scientific, 2009)
Clean Money- Picking Winners in the Clean-Tech Boom (John Rubino, Wiley, 2009)
Kinetics of Phase Transitions (Sanjay Puri and Vinod Wadhawan, CRC Press, 2009)
High Density Data Storage (Daoben Zhu and Yanlin Song, Eds., World Scientific, 2009)
Progress in Optics (Emil Wolf, Ed., Elsevier, 2009)
Handbook of Surface and Nanometrology (David J. Whitehouse, CRC Press, 2010)
Investing in Hydrogen and Fuel Cells (Nick Hanna, Harriman House Ltd., 2011)
Computational Studies of New Materials II: From Ultrafast Processes and Nanostructures to Optoelectronics, Energy Storage, and Medicine (Thomas F. George, Ed., World Scientific, 2011)
The Green Investing Handbook (Nick Hanna, Harriman House, 2012)
Lacrimal Gland, Tear Film, and Dry Eye Syndromes: Basic Science and Clinical Relevance (D. A. Dartt, D.A. Sullivan, and M. A. Meneray, Eds., Springer US, 2012)
Interferometry in Speckle Light: Theory and Applications (P. Jacquot and J.-M. Fournier, Springer Berlin Heidelberg, 2012)
Near Field Optics (D. W. Pohl and Daniel Courjon, Springer Netherlands, 2012)
Nanoscale Liquid Interfaces: Wetting, Patterning, and Force Microscopy at the Molecular Scale (J.-P. Aime and T. Ondarcuhu, Eds., Jenny Stanford Publishing, 2013)
Scanning Tunneling Microscopy and Related Methods (H. Rohrer, N. Garcia, and R. J. Behm, Springer Netherlands, 2013)
Polymer Microscopy (Linda Sawyer and David T. Grubb, Springer New York, 2013)
Capabilities and Governance of Nanotechnology in the Developing World: Insights from India (M. Anand and S. Deshpande Sarma, Eds., Energy and Resources Institute, 2013)
Oxide Nanostructures: Growth, Microstructures, and Properties (A. K. Srivastava, Pan Stanford Publishing, CRC Press, Taylor & Francis Group, 2013)
Apparent and Microscopic Contact Angles (K. L. Mittal, J. Drelich, and Laskowski, CRC Press, 2014)
Handbook of Hydrogen Energy (Aldo Steinfeld, D. Yogi Goswami, E.K. Stefanakos, and S. A. Sherif, Eds., Taylor and Francis, 2014)
Encyclopedia of Optical and Photonic Engineering (Craig Hoffman and Ronald Driggers Eds., CRC Press, 2015)
The Limits of Resolution (Geoffrey de Villiers and E. Roy Pike, CRC Press, 2016)
Oxide Semiconductors for Solar Energy Conversion: Titanium Dioxide (Janusz Nowotny, CRC Press, 2016)
Sustainable Utilization of Natural Resources (Ajay K. Dalai and Prasenjit Mondal, Eds., CRC Press, 2017)
Encyclopedia of Modern Optics (Robert D. Guenther and Duncan Steel, Elsevier Academic Press, 2018)
Advances in Communication, Devices and Networking (R. Bera, S. Kumar Sarkar, S. Chakraborty, Eds., Springer Nature Singapore, 2018)
Semiconductor Lasers and Diode-based Light Sources for Biophotonics (P. E. Andersen, P. M. Petersen, Eds.; Chap. 7, Institution of Engineering and Technology, 2018
Light and Video Microscopy (Randy O. Wayne, p. 173 of 3rd Ed., Elsevier Science, 2019)
Label-Free Super-Resolution Microscopy (Vasily Astratov, Springer International Publishing, 2019)
Tin Oxide Materials: Synthesis, Properties, and Applications (Marcelo Ornaghi Orlandi, Ed., Elsevier Science, 2019)
Microlithography: Science and Technology (Bruce W. Smith and Kazuaki Suzuki, CRC Press, 2020)
Titanium Dioxide (TiO2) and Its Applications (Francesco Parrino and Leonardo Palmisano, Elsevier Science, 2020)
A Laboratory Guide to the Tight Junction (Jianghui Hou, Elsevier Science, 2020)
Expansion Microscopy for Cell Biology (Paul Guichard and Virginie Hamel, Elsevier Science, 2021)
First International Congress on Adhesion Science and Technology (W. J. Ooij and H. R. Anderson, Jr., Eds., CRC Press, Taylor & Francis Group, 2021)
Macromolecular Engineering (K. Matyjaszewski, Y. Gnanou, N. Hadjichristidis, and M. Muthukumar, Eds., Wiley‐VCH GmbH., 2022)
Artificial Photosynthesis (Fouad Sabry, One Billion Knowledgeable, 2022)
Scanning Ion Conductance Microscopy (T. E. Schäffer, Ed.; Springer Cham, 2022)
Molecular and Laser Spectroscopy: Advances and Applications (V. P. Gupta, Ed., Vol. 3, Elsevier Science, 2022)
Meiosis: From Molecular Basis to Medicine (W. Li, L. Zhang, A. Shinohara, and S. Keeney, Eds., Lausanne: Frontiers Media SA, 2022)
3D Lung Models for Regenerating Lung Tissue (G. Westergren-Thorsson and Sara Rolandsson, Eds., Elsevier Science, 2022)
Handbook of Self-Cleaning Surfaces and Materials: From Fundamentals to Applications (X. Zhang, D. Tryk, H. Irie, and A. Fujishima, Eds., Wiley-VCH GmbH, 2023)