% Expired Patents = 100.0

Forward Citations = 4

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6 inventors (with patents filed for the assignee):

Tetsuya Higuchi (2 out of 33 patents)

Masahiro Murakawa (2 out of 16 patents)

Eiichi Takahashi (1 out of 14 patents)

4. Taro Itatani (1 out of 9 patents)

5. Yuji Kasai (1 out of 15 patents)

6. Kenji Toda (1 out of 8 patents)

2 patents: Sort by Forward Citations

1. 6993672 - Timing adjustment of clock signals in a digital circuit (2006-01-31),

2. 6879388 - Optical apparatus, optical apparatus adjustment method, and storage medium recorded with a processing program that executes said adjustment method (2005-04-12),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#4,372 in Tokyo

#11,139 in Japan

Tokyo, Japan

Evolvable System Research Institute, Inc.

Forward Citations = 4

6 inventors:

Tetsuya Higuchi (2 out of 33 patents)

Masahiro Murakawa (2 out of 16 patents)

Eiichi Takahashi (1 out of 14 patents)

4. Taro Itatani (1 out of 9 patents)

5. Yuji Kasai (1 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Evolvable System Research Institute, Inc.. Retrieved from https://idiyas.com/company/evolvable-system-research-institute

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]