Tokai, Japan

Hiroaki Ohnishi

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Ohnishi. Retrieved from https://idiyas.com/inventor/hiroaki-ohnishi-x8bm59ch

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 = 10.0

ph-index = 1

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 1983

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1 patent (USPTO):Explore Patents

Title: Hiroaki Ohnishi: Innovator in Optical Switching Technology

Introduction

Hiroaki Ohnishi is a notable inventor based in Tokai-mura, Japan. He has made significant contributions to the field of optical technology, particularly with his innovative designs in optical switches. His work has implications for various applications in telecommunications and data transmission.

Latest Patents

Ohnishi holds a patent for a rotary type optical switch. This invention involves an optical switch where a pair of opposing optical transmission path mounting members are aligned on the same axis. The design features multiple junction faces of optical transmission paths that are arranged on the respective opposing plane portions of the mounting members. These junction faces are capable of being aligned correspondingly as the mounting members rotate about the axis. This rotation allows for the switching of optical transmission paths, enhancing the efficiency of optical communications.

Career Highlights

Hiroaki Ohnishi is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to explore and develop advanced optical technologies that contribute to the company's reputation for excellence in engineering and research.

Collaborations

Ohnishi has collaborated with notable colleagues such as Sadao Mizokawa and Yoshiji Ito. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Hiroaki Ohnishi's contributions to optical switching technology exemplify the spirit of innovation in the field. His patent for the rotary type optical switch showcases his ability to create solutions that enhance optical communication systems. Ohnishi's work continues to influence advancements in technology, making him a significant figure 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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