Amagasaki, Japan

Tadao Yamaji

This inventor holds 4 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1978-1997.

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

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 = 3.6

ph-index = 4

Forward Citations = 52(Granted Patents)


Location History:

  • Ashiya, JP (1983)
  • Amagasaki, JP (1978 - 1997)

Company Filing History:


Years Active: 1978-1997

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4 patents (USPTO):Explore Patents

Title: Tadao Yamaji: Innovator in Heat Insulation and Pipe Joint Technology

Introduction

Tadao Yamaji is a notable inventor based in Amagasaki, Japan. He has made significant contributions to the fields of heat insulation and pipe joint technology. With a total of 4 patents to his name, Yamaji continues to push the boundaries of innovation in his industry.

Latest Patents

Yamaji's latest patents include a vacuum heat insulator and a pipe joint for preventing separation. The vacuum heat insulator features a vacuum heat-insulated space defined between a pair of spaced outer skin members. This design allows for a high-temperature side and a low-temperature side, enhancing thermal efficiency. The laminate used in this invention consists of inorganic sheet members and metallic foils with low heat emissivity, arranged in alternating layers.

The pipe joint for preventing separation is designed to ensure a secure connection between components. It includes a holding member that connects to an annular outer flange and features a tapered surface that increases in diameter toward the socket. This innovative design allows for easy assembly and manufacturing, while also providing a reliable mechanism to prevent separation of the spigot from the socket.

Career Highlights

Yamaji is currently employed at Kubota Corporation, where he applies his expertise in developing advanced technologies. His work has been instrumental in enhancing the performance and reliability of various products in the market.

Collaborations

Throughout his career, Yamaji has collaborated with talented individuals such as Toshi Nakajima and Takao Sagara. These partnerships have contributed to the successful development of his innovative patents.

Conclusion

Tadao Yamaji is a distinguished inventor whose work in heat insulation and pipe joint technology has made a lasting impact. His innovative patents reflect his commitment to advancing engineering solutions.

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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