% Expired Patents = 33.3

Forward Citations = 15

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3 inventors (with patents filed for the assignee):

Hideo Ishizu (2 out of 2 patents)

Masayuki A Suzuki (2 out of 157 patents)

Chihiro Tetsuyama (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12525491 - Method of measuring resistivity, method of manufacturing semiconductor device, recording medium, and resistivity measuring device (2026-01-13),

2. 8064233 - Power supply regulating apparatus, semiconductor manufacturing apparatus, method for controlling power to heater, and method for manufacturing semiconductor device (2011-11-22),

3. 7002113 - Heater inspection apparatus and semiconductor manufacturing apparatus having heater inspection apparatus mounted thereon (2006-02-21),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#1 in Hamura

#8,932 in Japan

Hamura, Japan

Kokusai Electric Semiconductor Service Inc.

Forward Citations = 15

3 inventors:

Hideo Ishizu (2 out of 2 patents)

Masayuki A Suzuki (2 out of 157 patents)

Chihiro Tetsuyama (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kokusai Electric Semiconductor Service Inc.. Retrieved from https://idiyas.com/company/kokusai-electric-semiconductor-service

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]