US

Ohtsuka Patent Office

Calculating rank
USPTO Granted Patents = 2

Forward Citations = 44

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7 inventors (with patents filed for the assignee):

goldMedal Nobuhiro Takeda (1 out of 60 patents)

silverMedal Toshikazu Yanai (1 out of 28 patents)

bronzeMedal Kenichi Kimura (1 out of 30 patents)

4.  Kenji Kawano (1 out of 63 patents)

5.  Shigeo Ogura (1 out of 24 patents)

6.  Toshiya Kurihashi (1 out of 13 patents)

7.  Yoshihiro Uchino (1 out of 15 patents)


2 patents:

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#408 in undefined, undefined

#962 in

#94,953 in US

US
US
Forward Citations = 44

7 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ohtsuka Patent Office. Retrieved from https://idiyas.com/company/ohtsuka-patent-office

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]
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