Susono, Japan

Koichi Ushitani

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Yazaki Corporation. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Ushitani. Retrieved from https://idiyas.com/inventor/koichi-ushitani

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: The Innovations of Koichi Ushitani

Introduction: Koichi Ushitani is a notable inventor based in Susono, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of circuits that enhance the efficiency of power converters. His innovative work has led to the creation of a patent that addresses critical challenges in power management.

Latest Patents: Ushitani holds a patent for an "Active Snubber Circuit and Buck Converter." This invention involves an active snubber circuit that is connected to a buck converter, effectively decreasing both the first and second surge voltages generated by the converter. The design includes a first FET switch linked to the output point of the first surge voltage and a first power storage element. Additionally, it features a second FET switch connected to the output point of the second surge voltage and a second power storage element. An inductor is also part of the circuit, connected to a specific point on the output side, facilitating improved performance and stability.

Career Highlights: Ushitani has dedicated his career to advancing electrical engineering technologies. His work at Yazaki Corporation has allowed him to collaborate with other talented engineers and contribute to innovative projects that push the boundaries of current technology. His expertise in circuit design and power management has made him a valuable asset to his team.

Collaborations: Ushitani has worked closely with his coworker, Keisuke Kanda, on various projects. Their collaboration has fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies in their field.

Conclusion: Koichi Ushitani's contributions to electrical engineering, particularly through his patent for an active snubber circuit, highlight his role as an influential inventor. His work continues to impact the industry positively, 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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