Saitama, Japan

Sei Ohnishi

This inventor holds 3 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1998-2000.

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

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 = 2.6

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1998-2000

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3 patents (USPTO):Explore Patents

Title: Sei Ohnishi: Innovator in Electronic Equipment

Introduction

Sei Ohnishi is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of electronic equipment, particularly in the development of dampers and recording apparatuses. With a total of 3 patents to his name, Ohnishi continues to push the boundaries of innovation.

Latest Patents

Ohnishi's latest patents include a damper and electronic equipment employing the damper. This damper is designed to be interposed between a stationary portion and a movable portion, effectively attenuating or inhibiting vibrations or shocks. The damper features a main body made of flexible butyl rubber, which includes a hollow portion and a protuberant portion with a shaft-inserting hole. The hollow portion is filled with a viscous fluid, such as silicone oil, enhancing its functionality.

Another significant patent is for a recording and/or reproducing apparatus with an elastic supporting mechanism. This apparatus is designed to be shock-resistant and is intended for use in automobiles. It includes a housing arranged at a specific angle of inclination and an elastic supporting mechanism that allows the recording and/or reproducing portion to move relative to the housing.

Career Highlights

Sei Ohnishi is currently employed at Sony Corporation, where he applies his expertise in developing innovative electronic solutions. His work has been instrumental in enhancing the performance and durability of electronic devices.

Collaborations

Ohnishi has collaborated with notable coworkers, including Yasunori Sugano and Masayasu Ito. Their combined efforts have contributed to the advancement of technology within their field.

Conclusion

Sei Ohnishi is a prominent inventor whose work in electronic equipment has led to significant advancements. His innovative patents reflect his commitment to improving technology and enhancing user experience.

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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