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Research Triangle Park, NC, United States of America

Sumitomo Electric Lightwave Corp.

USPTO Granted Patents = 28

Trademarks = 7

Forward Citations = 679

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64 inventors (with patents filed for the assignee):

William E Beasley, Jr (7 out of 7 patents)

Takayuki Yokochi (4 out of 20 patents)

Scott M Chastain (4 out of 5 patents)

4. Stephen R Stokes (4 out of 5 patents)

5. John P Sarbell (4 out of 8 patents)

6. Kenichiro Otsuka (3 out of 16 patents)

7. Takashi Kondo (3 out of 32 patents)

8. Daniel Brian Hangebrauck (3 out of 9 patents)

9. Craig Steven Potter (3 out of 3 patents)

10. Daniel Frederick Oberklein (3 out of 3 patents)

11. David J Braga (3 out of 10 patents)

12. Keith Quistorff (3 out of 3 patents)

13. James W Moran (3 out of 3 patents)

14. Motoyoshi Kimura (2 out of 27 patents)

15. Masaki Omura (2 out of 9 patents)

Core Competencies:

Optical Connection Structure

Optical Connector

Fiber Count Networks

Measurement System

Optical Unit

Optical Fiber Rack

High Fiber Count Cable

Air Blown Fiber

Cable Management System

Optical Fiber Communications

Midspan Entry

Fiber Optic Probe

28 patents: Sort by Forward Citations

1. 12248185 - Optical connection structure, optical connector, and optical connecting method (2025-03-11),

2. 11815723 - Optical connection structure, optical connector, and optical connecting method (2023-11-14),

3. 10541754 - Reduced fiber count networks, devices, and related methods (2020-01-21),

4. 10523317 - Measurement system and measurement method (2019-12-31),

5. 10401585 - Bracket and optical unit with bracket (2019-09-03),

6. 10345538 - System and method for joining and distributing a single optical fiber cable to multiple rack shelves (2019-07-09),

7. 10261279 - System and method for distributing high fiber count optical cable to network racks (2019-04-16),

8. 10175443 - Optical fiber rack (2019-01-08),

9. 10048452 - System and method for joining and distributing a single optical fiber cable to multiple rack shelves (2018-08-14),

10. 9184575 - Entry tool and methods for use for tubes or cables (2015-11-10),

11. 7653277 - Locatable dielectric optical fiber cable having easily removable locating element (2010-01-26),

12. 7313304 - Locatable dielectric optical fiber cable having easily removable locating element (2007-12-25),

13. 6968106 - Air blown fiber (ABF) cable with low composite coefficient of thermal expansion (2005-11-22),

14. 6853781 - Air blown fiber (ABF) cable with low composite coefficient of thermal expansion (2005-02-08),

15. 6363198 - Optical fiber cable distribution shelf with cable management system (2002-03-26),

Company Overview

Sumitomo Electric Lightwave Corp., based in Research Triangle Park, NC, specializes in advanced optical networking solutions and fiber optic products. The company focuses on developing innovative technologies that enhance communication infrastructure, including high-performance fiber optic cables and connectivity solutions. With a commitment to research and development, Sumitomo Electric Lightwave plays a vital role in supporting the growing demands of telecommunications and data transmission across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

28 Patents

#16 in Research Triangle Park, NC

#269 in North Carolina

#12,013 in US

#23,285 in the World

Research Triangle Park, NC, United States of America

Sumitomo Electric Lightwave Corp.

Forward Citations = 679

64 inventors:

William E Beasley, Jr (7 out of 7 patents)

Takayuki Yokochi (4 out of 20 patents)

Scott M Chastain (4 out of 5 patents)

4. Stephen R Stokes (4 out of 5 patents)

5. John P Sarbell (4 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Electric Lightwave Corp.. Retrieved from https://idiyas.com/company/sumitomo-electric-lightwave

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

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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