Buzen, Japan

Kiyohisa Ichikawa

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyohisa Ichikawa. Retrieved from https://idiyas.com/inventor/kiyohisa-ichikawa

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Kiyohisa Ichikawa: Innovator in Semiconductor Technology

Introduction

Kiyohisa Ichikawa is a notable inventor based in Buzen, Fukuoka, Japan. He has made significant contributions to the field of semiconductor technology, particularly with his innovative designs and applications. His work has led to the development of a unique semiconductor device that showcases his expertise and creativity.

Latest Patents

Ichikawa holds a patent for a semiconductor device that includes an insulating member, a light-receiving element, a light-emitting element, a switching element, a metal reflection plate, a first resin member, and a second resin member. The design features the light-receiving element, the switching element, and the metal reflection plate arranged along the front surface of the insulating member. The switching element is electrically connected to the light-receiving element, while the light-emitting element is optically coupled to the light-receiving element. This innovative structure enhances the functionality and efficiency of semiconductor devices.

Career Highlights

Throughout his career, Kiyohisa Ichikawa has worked with prominent companies in the technology sector. He has been associated with Kabushiki Kaisha Toshiba and Toshiba Electronic Devices & Storage Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various projects in semiconductor technology.

Collaborations

Ichikawa has collaborated with Mami Fujihara, a fellow innovator in the field. Their partnership has likely fostered the exchange of ideas and advancements in semiconductor technology.

Conclusion

Kiyohisa Ichikawa's contributions to semiconductor technology through his innovative designs and patents highlight his role as a significant inventor in the industry. His work continues to influence the development of advanced semiconductor 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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