Hitachi, Japan

Tadahiro Ohnishi

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1987-1989.

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

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 = 3.3

ph-index = 2

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1987-1989

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2 patents (USPTO):Explore Patents

Title: The Innovations of Tadahiro Ohnishi

Introduction

Tadahiro Ohnishi is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of nuclear reactor technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and safety of nuclear reactors, which is crucial for sustainable energy production.

Latest Patents

Ohnishi's latest patents include a light water moderation type nuclear reactor and a control rod for nuclear reactors. The light water moderation type nuclear reactor features a unique design where the reactor core is divided into a central area and a peripheral area. This innovative approach allows for improved plutonium production and reduced uranium consumption during the fuel rods' lifecycle. The control rod patent introduces a novel design where neutron absorbing rods are surrounded by a second neutron absorber, enhancing the effectiveness and longevity of the control rods.

Career Highlights

Ohnishi has had a distinguished career at Hitachi, Ltd., where he has been instrumental in advancing nuclear technology. His expertise in reactor design and safety has positioned him as a key figure in the industry. His contributions have not only improved reactor efficiency but have also addressed safety concerns associated with nuclear energy.

Collaborations

Throughout his career, Ohnishi has collaborated with notable colleagues, including Hiromi Maruyama and Renzo Takeda. These partnerships have fostered innovation and have led to the development of groundbreaking technologies in the nuclear sector.

Conclusion

Tadahiro Ohnishi's work exemplifies the importance of innovation in the field of nuclear energy. His patents reflect a commitment to improving reactor technology, ensuring a safer and more efficient future for energy production.

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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