Kawasaki, Japan

Kouji Ishikawa

This inventor holds 3 USPTO granted patents, plus 1 CIPO patent. Top assignees: Fujitsu Corporation, Amdahl Corporation, Other. Active years: 1991-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Ishikawa. Retrieved from https://idiyas.com/inventor/kouji-ishikawa-d1kfr61r

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 = 5.3

ph-index = 3

Forward Citations = 57(Granted Patents)


Location History:

  • Yokohama, JP (1991)
  • Kawasaki, JP (1994 - 2003)

Company Filing History:

goldMedal2 out of 39,378 
 
Fujitsu Corporation
 patents
silverMedal1 out of 170 
 
Amdahl Corporation
 patents
bronzeMedal1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1991-2003

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3 patents (USPTO):Explore Patents

Title: Innovations of Kouji Ishikawa

Introduction

Kouji Ishikawa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of technology, particularly in the development of key switches and mounting devices for electronic devices. With a total of three patents to his name, Ishikawa's work reflects a commitment to innovation and functionality.

Latest Patents

Ishikawa's latest patents include a key switch and keyboard design. This key switch features a mechanism that changes shape when the key top is depressed, enhancing user experience. Additionally, he has developed a mounting device for electronic devices that ensures effective electrical interconnection through a series of counter-bores and solder rings, showcasing his expertise in electronic design.

Career Highlights

Throughout his career, Kouji Ishikawa has worked with prominent companies such as Fujitsu Corporation and Amdahl Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various technological advancements.

Collaborations

Ishikawa has collaborated with talented individuals in the industry, including Kenjiro Taniuchi and Hideo Miyazawa. These partnerships have fostered a creative environment that has led to innovative solutions in technology.

Conclusion

Kouji Ishikawa's contributions to the field of technology through his patents and collaborations highlight his role as a significant inventor. His work continues

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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