Photonic Integration Research, Inc.

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USPTO Granted Patents = 7

Forward Citations = 81

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8 inventors (with patents filed for the assignee):

Shin Sumida (5 out of 7 patents)

Tadashi Miyashita (5 out of 5 patents)

Cheng-ko J Sun (3 out of 3 patents)

4. Shigeki Sakaguchi (2 out of 2 patents)

5. C Jacob Sun (2 out of 2 patents)

6. Donnette E Haney (2 out of 2 patents)

7. W Michael Myers (2 out of 2 patents)

8. Paul Davidson (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 5710854 - Multi-mode optical T-splitter and method of fabricating same (1998-01-20),

2. 5473721 - Multi-mode optical circuit to couple light between various optical (1995-12-05),

3. 5432877 - Integrated optical circuit having a waveguide end of lens geometry, and (1995-07-11),

4. 5261022 - Optical waveguide of silica glass film on ceramic substrate (1993-11-09),

5. 5242478 - Method of controlling metal oxidation during waveguide formation (1993-09-07),

6. 5064266 - Circular channel waveguides and lenses formed from rectangular channel (1991-11-12),

7. 5059475 - Apparatus and method of forming optical waveguides on metalized (1991-10-22),

Company Overview

Photonic Integration Research, Inc. is a leading provider of advanced photonic integration solutions for a wide range of applications. We specialize in developing cutting-edge photonic devices and systems that enable high-speed communication, sensing, and imaging. Our team of experts is dedicated to pushing the boundaries of technology and delivering tailor-made solutions to meet the specific needs of our clients.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#104 in Columbus, OH

#1,574 in Ohio

#39,950 in US

Columbus, OH, United States of America