Tokyo, Japan

Kiyotaka Kasahara

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Adv Antest Corporation. Active years: 2019-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyotaka Kasahara. Retrieved from https://idiyas.com/inventor/kiyotaka-kasahara

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 1


Company Filing History:


Years Active: 2019-2025

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2 patents (USPTO):Explore Patents

Title: Kiyotaka Kasahara: Innovator in Semiconductor Technology

Introduction

Kiyotaka Kasahara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His innovative work focuses on protective circuits and control devices that enhance the performance and safety of semiconductor switches.

Latest Patents

Kiyotaka's latest patents include a protective circuit and a switch control device. The protective circuit is designed to safeguard a semiconductor switch by utilizing a group of terminals that consist of either one or more input terminals and two or more output terminals, or one or more output terminals and two or more input terminals. This circuit features a first resistive circuit connected to one of the terminals, which comprises a resistor with a specific temperature coefficient of resistance. Additionally, a second resistive circuit is connected to another terminal, featuring a resistor with a different temperature coefficient of resistance. This protective circuit is crucial as it disconnects the current passing through the semiconductor switch when the temperature reaches a predetermined shut-off point.

The second patent, a control device using GaN semiconductor technology, includes a differential amplification circuit that amplifies the difference concerning an input signal. This device also features a clipping circuit connected to the output side of the differential amplification circuit, which clips the input voltage. Both the differential amplification circuit and the clipping circuit utilize switching elements made from GaN semiconductors, showcasing Kiyotaka's commitment to advancing semiconductor technology.

Career Highlights

Kiyotaka Kasahara is currently associated with Adv Antest Corporation, where he continues to innovate and develop cutting-edge technologies in the semiconductor industry. His work has been instrumental in enhancing the reliability and efficiency of semiconductor devices.

Collaborations

Due to space constraints, the collaborations section has been omitted.

Conclusion

Kiyotaka Kasahara's contributions to semiconductor technology through his patents reflect his expertise and innovative spirit. His work not only advances the field but also ensures greater safety and efficiency in electronic devices.

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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