Susono, Japan

Sinichi Tamura

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Arai Seisakusho Co., Ltd, Toyota Jidosha Kabushiki Kaisha. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sinichi Tamura. Retrieved from https://idiyas.com/inventor/sinichi-tamura

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

Calculating rank
USPTO Granted Patents = 1 

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Sinichi Tamura

Introduction: Sinichi Tamura, an inventor based in Susono, Japan, is recognized for his significant contributions to mechanical engineering, particularly in the development of oil seal technology. With a single patent to his name, he has demonstrated his innovative approach in creating solutions that enhance machine efficiency.

Latest Patents: Sinichi Tamura holds a patent for an advanced oil seal design. This oil seal features an outer member fitted to a crankcase and an inner member that is integrally rotatably fitted to a crankshaft. A unique aspect of this design is the first movable lip, which is strategically positioned in the gap formed by the outer and inner members. When the crankshaft is not in rotation, the movable lip does not contact the outer member. However, during operation, it displaces towards the outer member to effectively seal the gap, thus preventing leakage and ensuring optimal performance.

Career Highlights: Throughout his career, Sinichi Tamura has worked with reputable companies such as Toyota Motor Corporation and Arai Seisakusho Co., Ltd. His tenure at these organizations has allowed him to apply his inventive skills in practical settings, contributing to advancements in automotive engineering.

Collaborations: In his professional journey, Sinichi has collaborated with notable individuals such as Takao Suzuki and Masaki Sohda. These partnerships have facilitated knowledge exchange and have played a crucial role in refining his innovative ideas.

Conclusion: Sinichi Tamura's work exemplifies the spirit of innovation in engineering. His patent for the oil seal showcases not only his technical expertise but also his dedication to improving mechanical functions. As technology continues to evolve, the contributions of inventors like Tamura remain vital in driving forward the boundaries of what is possible in modern engineering.

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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