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Takatsuki, Japan

Takeo Katsushima

This inventor holds 8 USPTO granted patents. Top assignees: Japan Tobacco Inc., Toyo Boseki Kabushiki Kaisha. Active years: 1988-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Katsushima. Retrieved from https://idiyas.com/inventor/takeo-katsushima

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 = 75.0

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 45(Granted Patents)

Location History:

Nashville, TN (US) (1990)
Kyoto, JP (1988 - 1991)
Ohtsu, JP (1997)
Osaka, JP (2001)
Takatsuki, JP (2005 - 2007)

Company Filing History:

Japan Tobacco Inc.

Toyo Boseki Kabushiki Kaisha

Years Active: 1988-2007

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7211685 - Calcium receptor antagonists (2007-05-01),

2. 6916956 - Calcium receptor antagonist (2005-07-12),

3. 6235730 - 3-piperidyl-4-oxoquinazoline derivatives and pharmaceutical compositions comprising the same (2001-05-22),

4. 5624961 - Benzylaminoethoxybenzene derivatives, production thereof and use thereof (1997-04-29),

5. 5041462 - Novel substituted acetamide compounds and use as anti-allergic agents (1991-08-20),

6. 5036086 - Novel benzothiazole derivatives (1991-07-30),

7. 4912135 - Amide compounds (1990-03-27),

8. 4729995 - Pyrimidine 2,4-dioxamate compounds and pharmaceutical compositions (1988-03-08),

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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