Yamagata Technopolis Foundation

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USPTO Granted Patents = 2

Forward Citations = 7

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6 inventors (with patents filed for the assignee):

Heitaro Obara (1 out of 3 patents)

Takashi Igarashi (1 out of 2 patents)

Tetsuo Oi (1 out of 2 patents)

4. Kazuhisa Sakurai (1 out of 1 patent)

5. Masaaki Aoyama (1 out of 8 patents)

6. Masanobu Shiga (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6121305 - Bipyrazole derivative, and medicine or reagent comprising the same as (2000-09-19),

2. 5780257 - Method and reagent for detecting peroxidase or hydrogen peroxide (1998-07-14),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#30 in Yamagata

#11,147 in Japan

Yamagata, Japan

Yamagata Technopolis Foundation

Forward Citations = 7

6 inventors:

Heitaro Obara (1 out of 3 patents)

Takashi Igarashi (1 out of 2 patents)

Tetsuo Oi (1 out of 2 patents)

4. Kazuhisa Sakurai (1 out of 1 patent)

5. Masaaki Aoyama (1 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamagata Technopolis Foundation. Retrieved from https://idiyas.com/company/yamagata-technopolis-foundation

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]