Hitachinaka, Japan

Ryuichi Niisaka

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Astemo Ltd.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuichi Niisaka. Retrieved from https://idiyas.com/inventor/ryuichi-niisaka

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Ryuichi Niisaka: Innovator in Power Conversion Technology

Introduction

Ryuichi Niisaka is a notable inventor based in Hitachinaka, Japan. He has made significant contributions to the field of power conversion technology. His innovative approach has led to the development of a unique power conversion device that enhances efficiency in electrical systems.

Latest Patents

Ryuichi Niisaka holds a patent for a power conversion device. This device includes a direct-current bus bar that transmits direct current, a capacitor element for filtering connected to the bus bar, and a magnetic core designed with a through hole. The through hole is configured to have a first inner diameter along the width direction of the bus bar and a second inner diameter orthogonal to the first, with the first inner diameter being larger than the second. This design optimizes the performance of the power conversion device.

Career Highlights

Ryuichi Niisaka is currently employed at Hitachi Astemo Ltd., where he continues to work on innovative technologies. His expertise in power conversion has positioned him as a key player in the development of advanced electrical systems.

Collaborations

Throughout his career, Ryuichi has collaborated with talented individuals such as Tomotaka Naoi and Masataka Nagata. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Ryuichi Niisaka's contributions to power conversion technology exemplify the impact of innovative thinking in the field of electrical engineering. His patent and ongoing work at Hitachi Astemo Ltd. highlight his commitment to advancing technology for a more efficient future.

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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