Forward Citations = 157

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8 inventors (with patents filed for the assignee):

Motoaki Yoshida (1 out of 20 patents)

Izuo Hayashi (1 out of 6 patents)

Yasuji Ohtsuka (1 out of 1 patent)

4. Shigetoki Sugimoto (1 out of 4 patents)

5. Ro Ishikawa (1 out of 2 patents)

6. Shigeo Matsushita (1 out of 5 patents)

7. Hiroo Yonezu (1 out of 9 patents)

8. Kohroh Kobayashi (1 out of 12 patents)

4 patents: Sort by Forward Citations

1. 4213677 - Light coupling and branching device using light focusing transmission (1980-07-22),

2. 4050784 - Light beam coupler for axially discoincident optical fibers (1977-09-27),

3. 4003074 - Hermetically-sealed injection semiconductor laser device (1977-01-11),

4. 3955015 - Method of manufacturing a transparent light conducting element of (1976-05-04),

Company Overview

Nippon Selfoc Co., Ltd. is a leading manufacturer of optical products in Japan. With a focus on precision and quality, the company specializes in producing selfoc lenses for various applications including telecommunications, medical devices, and imaging systems. Nippon Selfoc is known for its innovative technologies and commitment to customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#283 in

#7,588 in Japan

JP

Nippon Selfoc Co., Ltd.

Forward Citations = 157

8 inventors:

Motoaki Yoshida (1 out of 20 patents)

Izuo Hayashi (1 out of 6 patents)

Yasuji Ohtsuka (1 out of 1 patent)

4. Shigetoki Sugimoto (1 out of 4 patents)

5. Ro Ishikawa (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Selfoc Co., Ltd.. Retrieved from https://idiyas.com/company/nippon-selfoc-company

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]