Kanagawa, Japan

Tomio Shimizu

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignee: Fuji Electric Co., Ltd.. Active years: 1989-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomio Shimizu. Retrieved from https://idiyas.com/inventor/tomio-shimizu

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 6

Forward Citations = 154(Granted Patents)


Location History:

  • Kanagawa, JP (1989 - 1996)
  • Nagano, JP (1999)

Company Filing History:


Years Active: 1989-1999

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6 patents (USPTO):Explore Patents

Title: Tomio Shimizu: Innovator in Semiconductor Technology

Introduction

Tomio Shimizu is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His innovative work has led to advancements that enhance the performance and efficiency of semiconductor devices.

Latest Patents

One of Shimizu's latest patents is for an insulation substrate for a semiconductor device. This invention features a Ceramic Bonding Copper (CBC) substrate that includes a ceramic plate with foil-shaped copper plates bonded to it using the direct copper bonding method. A circuit pattern is formed on one of the copper plates. The ceramic plate is created by sintering an alumina powder compact containing zirconia and various additives, which significantly improve its flexural strength and thermal conductivity. This innovation allows for a reduction in the thickness of the ceramic plate, enhancing the heat radiation capability of the semiconductor device and increasing its current carrying capacity.

Another notable patent is for a rotatable polygon mirror. This invention consists of a transparent regular polygonal cylinder with rotationally symmetrical sides. The inner surfaces of the cylinder correspond to the sides of the polygon and are designed for total internal reflection. This design enhances the functionality of optical systems that utilize polygon mirrors.

Career Highlights

Tomio Shimizu is currently employed at Fuji Electric Co., Ltd., where he continues to develop cutting-edge technologies in the semiconductor industry. His work has been instrumental in advancing the capabilities of semiconductor devices, making them more efficient and reliable.

Collaborations

Shimizu has collaborated with notable colleagues, including Akira Nakahira and Katsumi Yamada. Their combined expertise has contributed to the successful development of innovative technologies in their field.

Conclusion

Tomio Shimizu's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of advanced semiconductor devices, showcasing the importance of innovation in technology.

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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