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Shizuoka, Japan

Sei Kawahara

This inventor holds 8 USPTO granted patents. Top assignee: Fuji Photo Film Company, Limited. Active years: 1976-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sei Kawahara. Retrieved from https://idiyas.com/inventor/sei-kawahara

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 114(Granted Patents)

Location History:

Fujimiya, JA (1976 - 1977)
Fujinomiya, JP (1994)
Shizuoka, JP (1989 - 1995)

Company Filing History:

8 out of 16,458

Fuji Photo Film Company, Limited

Years Active: 1976-1995

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5466519 - Support for a photographic printing paper and a manufacturing process (1995-11-14),

2. 5360707 - Photographic printing paper support (1994-11-01),

3. 5156707 - Support for photographic printing paper (1992-10-20),

4. 4975304 - Coating method (1990-12-04),

5. 4917844 - Method of manufacturing laminate product (1990-04-17),

6. 4880374 - Filter exchange device for an extrusion molding machine (1989-11-14),

7. 4024302 - Method for coating running webs having projecting splices (1977-05-17),

8. 3972762 - Coating method (1976-08-03),

I specialize in innovations, inventions, inventors, patent attorneys, assignees, and patents.

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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