Tokyo, Japan

Shigeru Ishii

This inventor holds 9 USPTO granted patents and 1 EPO patent. Top assignees: Mitsubishi Heavy Industries Limited, Lion Corporation, Disco Corporation. Active years: 1986-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Ishii. Retrieved from https://idiyas.com/inventor/shigeru-ishii-qqy2buj1

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Aichi-ken, JP (2000 - 2010)
  • Tokyo, JP (1986 - 2021)

Company Filing History:


Years Active: 1986-2024

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9 patents (USPTO):Explore Patents

Title: Shigeru Ishii: Innovator in Electronic Device Protection and Semiconductor Technology

Introduction

Shigeru Ishii is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of electronic device protection and semiconductor technology. With a total of 9 patents to his name, Ishii's work has had a considerable impact on the industry.

Latest Patents

Ishii's latest patents include an electronic device protection unit and a semiconductor device. The electronic device protection unit is designed to safeguard electronic devices from potential damage caused by electromagnetic waves or radiation. It features a sensing part that detects harmful rays, a responding part that executes protective behaviors, and an analysis and control part that manages these responses based on the detected incident rays. His semiconductor device patent involves multiple PLL circuits that synchronize with a common reference clock signal, generating a majority clock signal through a majority circuit, which is then filtered to produce an output clock signal.

Career Highlights

Throughout his career, Ishii has worked with notable companies such as Mitsubishi Heavy Industries Limited and Lion Corporation. His experience in these organizations has allowed him to develop innovative solutions that address complex technological challenges.

Collaborations

Ishii has collaborated with talented individuals in the field, including Tsutomu Maeyama and Kenji Kaneko. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Shigeru Ishii's contributions to electronic device protection and semiconductor technology highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to creating solutions that enhance the functionality and safety of electronic devices.

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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