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Kanagawa, Japan

Toshiyuki Hiroishi

This inventor holds 5 USPTO granted patents. Top assignee: Fuji Photo Film Company, Limited. Active years: 1991-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Hiroishi. Retrieved from https://idiyas.com/inventor/toshiyuki-hiroishi

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 24(Granted Patents)

Location History:

Kangawa, JP (1991)
Kanagawa, JP (1998 - 1999)

Company Filing History:

5 out of 16,458

Fuji Photo Film Company, Limited

Years Active: 1991-1999

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5995202 - Method and apparatus for producing index prints and density adjusting (1999-11-30),

2. 5973765 - Method of and device for selectively printing one of an image formed on (1999-10-26),

3. 5926253 - Apparatus for exposing index prints, index printer, and photographic (1999-07-20),

4. 5757471 - Method and apparatus for producing index prints, and density adjusting (1998-05-26),

5. 4994850 - Image frame selecting apparatus for photographic printer (1991-02-19),

Profile summary based on public USPTO records.

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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