Tokyo, Japan

Hitonobu Ohtsu

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Delphi Technologies, Inc., Gm Global Technolgoy Operations, Inc.. Active years: 2006-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitonobu Ohtsu. Retrieved from https://idiyas.com/inventor/hitonobu-ohtsu

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


% Patents Active = 33.3


Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2006-2010

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3 patents (USPTO):Explore Patents

Title: Hitonobu Ohtsu: Innovator in Steering Column Technology

Introduction

Hitonobu Ohtsu is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of automotive technology, particularly in the design of steering column assemblies. With a total of 3 patents to his name, Ohtsu's innovations have enhanced vehicle safety and functionality.

Latest Patents

One of Ohtsu's latest patents is the "Infinitely Adjustable Steering Column Assembly." This invention features an outer jacket, an inner jacket, and a tilt housing. It includes a longitudinal locking device that allows for the adjustment of the inner jacket relative to the outer jacket. The tilt locking device enables tilting movement of the tilt housing. A control lever is designed to operate both locking devices simultaneously, providing an infinite number of adjustment positions for the inner jacket.

Another significant patent is the "Telescoping Steering Column Assembly with Brake." This assembly consists of a lower jacket that telescopes within an upper jacket. It incorporates a brake that engages frictionally with the lower jacket. The design includes a cam device that can be rotated to engage or disengage the brake, allowing for different modes of operation.

Career Highlights

Throughout his career, Hitonobu Ohtsu has worked with prominent companies in the automotive industry. He has been associated with Delphi Technologies, Inc. and General Motors Global Technology Operations LLC. His work in these organizations has contributed to advancements in steering column technology.

Collaborations

Ohtsu has collaborated with several professionals in his field, including Albert Clifford Huber and Richard Paul Nash. These collaborations have likely fostered innovation and development in automotive technologies.

Conclusion

Hitonobu Ohtsu's contributions to steering column technology demonstrate his commitment to innovation in the automotive sector. His patents reflect a deep understanding of engineering principles and a dedication to improving vehicle safety and functionality.

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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