Katsuta, Japan

Yasushi Nakaisumi

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Nakaisumi. Retrieved from https://idiyas.com/inventor/yasushi-nakaisumi

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 = 19(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Yasushi Nakaisumi: Innovator in Vacuum Valve Technology

Introduction

Yasushi Nakaisumi is a notable inventor based in Katsuta, Japan. He has made significant contributions to the field of vacuum technology, particularly with his innovative designs and patents. His work has been instrumental in advancing the efficiency and functionality of vacuum systems.

Latest Patents

Yasushi Nakaisumi holds a patent for a vacuum valve apparatus. This invention includes a valve head, a motor for driving the valve head, and various means for checking the position of the valve. The apparatus is designed to issue signals that confirm the valve's closure and manage the driving current to the motor effectively. This patent showcases his expertise in creating reliable and efficient vacuum systems.

Career Highlights

Throughout his career, Yasushi Nakaisumi has been associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to collaborate with other talented engineers and contribute to groundbreaking projects in the field of vacuum technology.

Collaborations

Yasushi Nakaisumi has worked alongside esteemed colleagues such as Toshiaki Nakata and Yoshio Sakitani. Their collaborative efforts have further enhanced the development of innovative technologies within their field.

Conclusion

Yasushi Nakaisumi's contributions to vacuum technology through his patent and work at Hitachi, Ltd. highlight his role as a significant inventor. His innovative spirit continues to inspire advancements in the industry.

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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