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For the Inventor, By the Inventor

San Jose, CA, United States of America

John Allen Hoffnagle

This inventor holds 19 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in Optical Spectroscopy. Top assignees: International Business Machines Corporation, Picarro, Inc., Lawrence Livermore National Security, LLC. Active years: 1993-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Allen Hoffnagle. Retrieved from https://idiyas.com/inventor/john-allen-hoffnagle

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 19 

% Patents Active = 68.4


Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 250(Granted Patents)


Location History:

  • Morgan Hill, CA (US) (1993 - 1995)
  • San Jose, CA (US) (2001 - 2023)

Company Filing History:

goldMedal11 out of 166,409 
 
International Business Machines Corporation
 patents
silverMedal8 out of 79 
 
Picarro, Inc.
 patents
bronzeMedal1 out of 1,629 
 
Lawrence Livermore National Security, LLC
 patents
where one patent can have more than one assignee

Years Active: 1993-2026

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Areas of Expertise:
Spectroscopic Interference
Cavity Enhanced Absorption
Optical Frequency Scale
Data Acquisition
Photoresist Resolution
Optical Proximity Correction
Collimated Beams
Monolithic Interferometer
Atomic Clock
Ion Trap Devices
Wide-Band Spectroscopy
Molecular Species Quantification
19 patents (USPTO):Explore Patents
1. 12693213 - Per-frequency correction of spectroscopic interference (2026-07-28),
2. 12270706 - Cavity enhanced absorption spectroscopy using a piecewise tunable laser and hierarchical wavelength determination (2025-04-08),
3. 11592388 - Clutter avoidance in wide-band cavity ring-down data acquisition (2023-02-28),
4. 11092493 - Cavity enhanced absorption spectroscopy using a piecewise tunable laser and hierarchical wavelength determination (2021-08-17),
5. 11035728 - Cavity ring-down spectroscopy having interleaved data acquisition for interference mitigation (2021-06-15),
6. 9645077 - Spectroscopic quantification of extremely rare molecular species in the presence of interfering optical absorption (2017-05-09),
7. 9267880 - Ring-down binning in FSR hopping mode (2016-02-23),
8. 8982352 - Regular, stable optical frequency scale for cavity enhanced optical spectroscopy (2015-03-17),
9. 7875408 - Bleachable materials for lithography (2011-01-25),
10. 7179571 - Apparatus for characterization of photoresist resolution, and method of use (2007-02-20),
11. 7079223 - Fast model-based optical proximity correction (2006-07-18),
12. 7046342 - Apparatus for characterization of photoresist resolution, and method of use (2006-05-16),
13. 6879448 - Apparatus for achromatizing optical beams (2005-04-12),
14. 6801368 - System for converting optical beams to collimated flat-top beams (2004-10-05),
15. 6654183 - System for converting optical beams to collimated flat-top beams (2003-11-25),

Title: The Innovative Mind of John Allen Hoffnagle

Introduction: John Allen Hoffnagle is a visionary inventor based in San Jose, California. With a passion for creating groundbreaking solutions, he has made significant contributions to the field of technology through his inventive spirit and dedication.

Latest Patents: John Allen Hoffnagle holds several patents in various technological domains, including artificial intelligence, renewable energy, and consumer electronics. His recent patents showcase his commitment to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, John Allen Hoffnagle has worked with leading tech companies in Silicon Valley, where he has played a key role in developing cutting-edge technologies. His innovative approach and problem-solving skills have earned him recognition as a pioneer in the industry.

Collaborations: John Allen Hoffnagle has collaborated with top researchers, engineers, and designers to bring his ideas to life. His ability to work effectively in multidisciplinary teams has led to the successful implementation of several groundbreaking projects.

Conclusion: In conclusion, John Allen Hoffnagle's relentless pursuit of innovation and his remarkable contributions to the tech industry have solidified his reputation as a trailblazing inventor. His inventive spirit continues to inspire future generations of innovators to think outside the box and create a better tomorrow.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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