Yamanashi, Japan

Toshihisa Shirai

This inventor holds 1 USPTO granted patent. Top assignees: Citizen Electronics Co., Ltd., Citizen Watch Company, Ltd.. Active years: 2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihisa Shirai. Retrieved from https://idiyas.com/inventor/toshihisa-shirai

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2017

Loading Chart...
1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Toshihisa Shirai

Introduction

Toshihisa Shirai is a notable inventor based in Yamanashi, Japan. He has made significant contributions to the field of light-emitting technology. His innovative work has led to the development of a unique light-emitting apparatus that showcases his expertise and creativity.

Latest Patents

Shirai holds a patent for a light-emitting apparatus. This invention includes a substrate, first and second pairs of terminals, and multiple light-emitting devices. The design features a first plurality of light-emitting devices mounted in one section of the substrate and a second plurality in another section. These devices are arranged in a direction parallel to a line segment that connects the two terminal positions, enhancing the efficiency and functionality of the apparatus.

Career Highlights

Throughout his career, Toshihisa Shirai has worked with prominent companies such as Citizen Watch Company, Ltd. and Citizen Electronics Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Shirai has collaborated with talented individuals in the industry, including Shingo Kuriki and Takakazu Yano. These partnerships have fostered a creative environment that has led to the advancement of technology in light-emitting devices.

Conclusion

Toshihisa Shirai's contributions to the field of light-emitting technology are commendable. His innovative spirit and collaborative efforts have paved the way for advancements in this area. His work continues to inspire future inventors and researchers.

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]
Loading…