Kawasaki, Japan

Kazutaka Saitoh

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutaka Saitoh. Retrieved from https://idiyas.com/inventor/kazutaka-saitoh-vwiig7oe

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 = 8.0

ph-index = 1

Forward Citations = 50(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Kazutaka Saitoh: Inventor of a High-Thermal-Conductivity Circuit Substrate.

Introduction

Kazutaka Saitoh is an inventor associated with Kawasaki, Japan, and Kabushiki Kaisha Toshiba, commonly known as Toshiba. His recorded patent work concerns a circuit substrate designed to conduct heat effectively.

Latest Patents

Saitoh is credited with 1 patent: “Circuit Substrate Having High Thermal Conductivity.” The invention describes a substrate made from sintered aluminum nitride ceramic containing a selected element from the group of yttrium, rare-earth metals, and alkaline-earth metals. It also includes an electrically conductive thick-film paste formed on the substrate to create a conductive layer.

Career Highlights

The patent reflects work on combining a thermally conductive ceramic base with an electrically conductive layer. This design addresses the need for circuit substrates that can conduct heat while supporting electrical connections.

Collaborations

Saitoh’s listed coworkers include Nobuo Iwase and Kiyoshi Iyogi. The patent record connects this work with Toshiba.

Conclusion

Kazutaka Saitoh’s recorded invention brings together aluminum nitride ceramic and a conductive thick-film layer in a circuit substrate intended to provide high thermal conductivity.

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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