Kuki, Japan

Tadao Endoh

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Kyosan Denki Co., Ltd., Denso Corporation. Active years: 2006-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadao Endoh. Retrieved from https://idiyas.com/inventor/tadao-endoh

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


% Patents Active = 50.0


Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2006-2010

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2 patents (USPTO):Explore Patents

Title: Tadao Endoh: Innovator in Valve Technology

Introduction

Tadao Endoh is a notable inventor based in Kuki, Japan. He has made significant contributions to the field of valve technology, holding a total of 2 patents. His innovative designs have impacted various industries, showcasing his expertise and creativity.

Latest Patents

One of Tadao Endoh's latest patents is a valve that includes a valve element, a valve seat, a coil spring, and a spring bearing portion. The coil spring, positioned between the valve element and the spring bearing portion, exerts pressure on the valve element toward the valve seat. Notably, the effective upper winding end and the effective lower winding end of the coil spring are offset from each other by 180 degrees in a plan view. Another significant patent is a fuel pressure adjusting apparatus, which features a casing with a fuel introduction port and a fuel discharge port. This apparatus includes a cylindrical member housed within the casing, which has a valve seat at one end and a communication passage connecting the fuel introduction port to the fuel discharge port. A valve element is positioned on the fuel discharge port side, closing the communication passage when seated on the valve seat. Additionally, a leaf spring applies force to the valve element toward the valve seat, with a concave portion that supports the valve element while maintaining a gap between them.

Career Highlights

Throughout his career, Tadao Endoh has worked with prominent companies such as Kyosan Denki Co., Ltd. and Denso Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Tadao Endoh has collaborated with notable coworkers, including Katsumi Arai and Masaaki Konishi. Their teamwork has likely fostered an environment of creativity and innovation, leading to the development of advanced technologies.

Conclusion

Tadao Endoh's contributions to valve technology and his innovative patents reflect his dedication to engineering and invention. His work continues to influence the industry, showcasing the importance of creativity in technological advancement.

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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