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For the Inventor, By the Inventor

Boston, MA, United States of America

W John Carlsen

This inventor holds 19 USPTO granted patents. Top assignees: Gte Laboratories Incorporated, Gte Products Corporation. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: W John Carlsen. Retrieved from https://idiyas.com/inventor/w-john-carlsen

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 = 100.0

Average Co-Inventor Count = 1.7

ph-index = 13

Forward Citations = 505(Granted Patents)


Location History:

  • Natick, MA (US) (1977 - 1982)
  • Boston, MA (US) (1983 - 1992)

Company Filing History:

goldMedal18 out of 937 
 
Gte Laboratories Incorporated
 patents
silverMedal1 out of 1,770 
 
Gte Products Corporation
 patents

Years Active: 1977-1992

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19 patents (USPTO):Explore Patents
1. 5121457 - Method for coupling laser array to optical fiber array (1992-06-09),
2. 4991938 - Quasi-achromatic optical isolators and circulators using prisms with (1991-02-12),
3. 4955686 - Optical fiber crossconnect switch (1990-09-11),
4. 4685773 - Birefringent optical multiplexer with flattened bandpass (1987-08-11),
5. 4668045 - Optical fiber centering device (1987-05-26),
6. 4566761 - Birefringent optical wavelength multiplexer/demultiplexer (1986-01-28),
7. 4531810 - Optical fiber holders (1985-07-30),
8. 4523843 - Optical test set-up for expanded beam connector (1985-06-18),
9. 4514046 - Polarization-insensitive optical switch and multiplexing apparatus (1985-04-30),
10. 4504121 - Interferometric multimode fiber optic switch and modulator (1985-03-12),
11. 4474435 - Polarization-insensitive optical switch and multiplexing apparatus (1984-10-02),
12. 4474434 - Polarization-insensitive optical switch apparatus (1984-10-02),
13. 4421383 - Optical fiber connectors (1983-12-20),
14. 4391487 - Optical fiber centering device (1983-07-05),
15. 4325607 - Apparatus for connecting optical fibers (1982-04-20),

Title: The Innovative Mind of W. John Carlsen

Introduction: W. John Carlsen is a renowned inventor based in Boston, MA, known for his groundbreaking contributions to various fields.

Latest Patents: Carlsen's latest patents include inventions in the medical device industry, focusing on improving patient care and treatment outcomes.

Career Highlights: With a career spanning over three decades, Carlsen has established himself as a leading figure in the innovation world, with numerous patents to his name and a reputation for pushing the boundaries of technology.

Collaborations: Throughout his career, Carlsen has collaborated with top research institutions, universities, and companies to bring his inventions to life, showcasing his ability to work across disciplines and industries.

Conclusion: W. John Carlsen's passion for innovation and his dedication to improving lives through his inventions make him a standout figure in the world of inventors.

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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