Forward Citations = 36

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8 inventors (with patents filed for the assignee):

Shin-Ichiro Hirota (3 out of 6 patents)

Kazuaki Hashimoto (2 out of 37 patents)

Tadayuki Fujimoto (2 out of 37 patents)

4. Hiroaki Takahara (2 out of 6 patents)

5. Yu Oogami (2 out of 4 patents)

6. Shin-ichiro Hirota (1 out of 4 patents)

7. Hiroshi Enomoto (1 out of 5 patents)

8. Ken Uno (1 out of 12 patents)

4 patents: Sort by Forward Citations

1. 6151915 - Method of producing a glass optical element capable of suppressing (2000-11-28),

2. 6009725 - Process for manufacturing glass optical elements (2000-01-04),

3. 5919718 - Glass composition moldable into an optical element with reduced pull-out (1999-07-06),

4. 5762673 - Method of manufacturing glass optical elements (1998-06-09),

Company Overview

Hoya Precision Inc. is a leading provider of precision optical components and solutions. With a focus on innovation and quality, Hoya Precision Inc. offers a wide range of products including lenses, prisms, filters, and more. Their dedication to customer satisfaction and technical expertise has made them a trusted partner for companies in various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#105 in Nagano

#7,579 in Japan

Nagano, Japan

Hoya Precision Inc.

Forward Citations = 36

8 inventors:

Shin-Ichiro Hirota (3 out of 6 patents)

Kazuaki Hashimoto (2 out of 37 patents)

Tadayuki Fujimoto (2 out of 37 patents)

4. Hiroaki Takahara (2 out of 6 patents)

5. Yu Oogami (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hoya Precision Inc.. Retrieved from https://idiyas.com/company/hoya-precision

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]