Nippon Seiki K.k.

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USPTO Granted Patents = 6

Forward Citations = 73

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10 inventors (with patents filed for the assignee):

Masatoshi Azuma (1 out of 4 patents)

Yuji Oguro (1 out of 7 patents)

Koichi Sato (1 out of 9 patents)

4. Hiroyasu Numaya (1 out of 5 patents)

5. Kazuo Yamamoto (1 out of 36 patents)

6. Yoshiaki Yazawa (1 out of 2 patents)

7. Laiying Zhang (1 out of 1 patent)

8. Sadamasa Miyashita (1 out of 1 patent)

9. Shoich Kondo (1 out of 1 patent)

10. Shinnosuke Takaki (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5880585 - Apparatus including a wheel coupled ring shaped magnet, for detecting (1999-03-09),

2. 5870128 - Light-emitting device assembly having in-line light-emitting device (1999-02-09),

3. 5770900 - Stepper motor (1998-06-23),

4. 5557295 - Display panel (1996-09-17),

5. 5494531 - Method and apparatus for cleaning medical instruments (1996-02-27),

6. 5141787 - Air bag (1992-08-25),

Company Overview

Nippon Seiki Co., Ltd. is a Japanese company specializing in the manufacturing of automotive instrument clusters, motorcycle meters, and other precision instruments. With a history dating back to 1948, Nippon Seiki has established itself as a leading global supplier in the automotive industry, providing high-quality products and innovative solutions to its customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#2,469 in Tokyo

#5,990 in Japan

Tokyo, Japan

Nippon Seiki K.k.

Forward Citations = 73

10 inventors:

Masatoshi Azuma (1 out of 4 patents)

Yuji Oguro (1 out of 7 patents)

Koichi Sato (1 out of 9 patents)

4. Hiroyasu Numaya (1 out of 5 patents)

5. Kazuo Yamamoto (1 out of 36 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Seiki K.k.. Retrieved from https://idiyas.com/company/nippon-seiki-k-k

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]