Hitachi, Japan

Kiyoshi Tukuda

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Tukuda. Retrieved from https://idiyas.com/inventor/kiyoshi-tukuda

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 = 4.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Kiyoshi Tukuda: Innovator in Semiconductor Technology

Introduction

Kiyoshi Tukuda is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of semiconductor technology. His innovative work has led to the development of a unique semiconductor device that enhances the functionality and efficiency of electronic components.

Latest Patents

Kiyoshi Tukuda holds 1 patent for a semiconductor device. This device comprises a heavily doped semiconductor layer that is exposed to both principal surfaces of a semiconductor substrate. It features a semiconductor element, such as a diode, bipolar transistor, or MOS transistor, formed on one principal surface side of the semiconductor substrate. Additionally, it includes a resistor region connected in series with the semiconductor element on the other principal surface side, along with an electrode for current detection that maintains contact with the semiconductor layer on the one principal surface side.

Career Highlights

Kiyoshi Tukuda is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to explore and develop advanced semiconductor solutions that are crucial for modern electronics. His contributions have been instrumental in pushing the boundaries of semiconductor technology.

Collaborations

Kiyoshi Tukuda has collaborated with notable colleagues, including Hitoshi Matsuzaki and Toshikatsu Shirasawa. These collaborations have fostered an environment of innovation and have led to the successful development of various semiconductor technologies.

Conclusion

Kiyoshi Tukuda's work in semiconductor technology exemplifies the spirit of innovation. His patent for a semiconductor device showcases his expertise and commitment to advancing the field. His contributions continue to impact the electronics industry positively.

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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