Saitama, Japan

Tadashi Tsuchiyama

This inventor holds 4 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1984-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Tsuchiyama. Retrieved from https://idiyas.com/inventor/tadashi-tsuchiyama

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 = 2.2

ph-index = 4

Forward Citations = 35(Granted Patents)


Company Filing History:


Years Active: 1984-1985

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4 patents (USPTO):Explore Patents

Title: Innovations by Tadashi Tsuchiyama

Introduction

Tadashi Tsuchiyama is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 4 patents. His work focuses on improving engine performance and efficiency through innovative designs.

Latest Patents

One of his latest patents is the "Crankshaft bearing device for internal combustion engine." This invention supports the crankshaft in a split bearing assembly, enhancing the joint seal between the oil pan and the engine block. The design includes an arcuate flange that provides clearance for the timing belt, which is crucial for the engine's operation.

Another significant patent is the "Intake manifold structure for internal combustion engines." This structure features a distribution chamber with an upper sub-chamber leading to a carburetor and a lower sub-chamber that promotes the atomization of the air-fuel mixture. The design improves the uniform distribution of the mixture to the combustion chambers, thereby enhancing engine performance.

Career Highlights

Tadashi Tsuchiyama is associated with Honda Giken Kogyo Kabushiki Kaisha, a leading company in the automotive industry. His work at Honda has been instrumental in developing advanced technologies for internal combustion engines.

Collaborations

Throughout his career, Tsuchiyama has collaborated with talented individuals such as Yoshiaki Hidaka and Akihisa Senga. These collaborations have contributed to the successful development of innovative engine technologies.

Conclusion

Tadashi Tsuchiyama's contributions to the field of internal combustion engines through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in automotive technology.

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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