Kyoto, Japan

Toshiaki Kojima

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Rohm Co., Ltd., Murata Kikai Kabushiki Kaisha. Active years: 1990-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiaki Kojima. Retrieved from https://idiyas.com/inventor/toshiaki-kojima-sy36mhco

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 = 1.3

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1990-2006

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3 patents (USPTO):Explore Patents

Title: Innovations of Toshiaki Kojima in Semiconductor Devices

Introduction

Toshiaki Kojima, an innovative inventor based in Kyoto, Japan, has made significant contributions to the field of semiconductor technology. With a portfolio of three patents, he is recognized for his pioneering work in developing devices that enhance the efficiency and reliability of electronic circuits.

Latest Patents

Kojima’s latest patents demonstrate his expertise and innovative approach in semiconductor device design. One of his notable inventions is a semiconductor device featuring a p-type substrate and multiple regions that effectively control the switching characteristics of electrostatic protection circuits. This invention addresses the challenge of thinning gate oxide films, allowing for high-accuracy protection.

Another important patent by Kojima includes a semiconductor device equipped with an ESD protective transistor. This device incorporates an insulation trench that extends beyond the p-type well into the substrate, improving the TLP characteristics of the ESD protection transistor. This advancement promotes the efficient operation of parasitic BJT structures within the device.

Career Highlights

Throughout his career, Toshiaki Kojima has been associated with prominent companies such as Rohm Co., Ltd. and Murata Kikai Kabushiki Kaisha. His work in these organizations has enabled him to refine his skills and contribute substantially to the semiconductor industry, solidifying his reputation as a leading inventor.

Collaborations

Kojima has collaborated with talented individuals in the field, including Hiroshi Uchida and Yasuhiko Kubota. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas and expertise that have advanced semiconductor technology.

Conclusion

Toshiaki Kojima's contributions to the field of semiconductor devices are a testament to his ingenuity and dedication as an inventor. With his latest patents addressing critical challenges in the industry, he continues to be an influential figure in electronics. His collaborations and career achievements highlight the importance of teamwork and innovation in driving technological advancements.

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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