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Osafumi Hidaka

This inventor holds 10 USPTO granted patents. Top assignees: Teijin Limited, Tiejin Limited. Active years: 1989-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osafumi Hidaka. Retrieved from https://idiyas.com/inventor/osafumi-hidaka

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

USPTO Granted Patents = 10

% Patents Active = 70.0

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 284(Granted Patents)

Location History:

Akigawa, JP (1993)
Hamura, JP (2001)
Akikawa, JP (1994 - 2002)
Tokyo, JP (1989 - 2007)

Company Filing History:

Years Active: 1989-2007

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7223418 - Stretchable patch (2007-05-29),

2. 7074421 - Member for application of ointment and ointment patch employing the same (2006-07-11),

3. 7056527 - Patches containing buprenorphine hydrochloride (2006-06-06),

4. 6497897 - Plaster agent and method of preparing same (2002-12-24),

5. 6319515 - Isosorbide dinitrate-containing patch (2001-11-20),

6. 6294045 - Plaster agent and method of preparing same (2001-09-25),

7. 5336210 - Plaster agent (1994-08-09),

8. 5225199 - Pharmaceutical plasters (1993-07-06),

9. 4990340 - Sustained release pharmaceutical preparation (1991-02-05),

10. 4801458 - Sustained release pharmaceutical plaster (1989-01-31),

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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