Tokyo, Japan

Takao Yokokawa

This inventor holds 4 USPTO granted patents. Top assignee: Nippon Steel Corporation. Active years: 1976-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Yokokawa. Retrieved from https://idiyas.com/inventor/takao-yokokawa

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 = 4.7

ph-index = 3

Forward Citations = 40(Granted Patents)


Location History:

  • Tokyo, JA (1976 - 1977)
  • Tokyo, JP (1978)

Company Filing History:


Years Active: 1976-1978

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4 patents (USPTO):Explore Patents

Title: The Innovations of Takao Yokokawa

Introduction

Takao Yokokawa is a notable inventor based in Tokyo, Japan, recognized for his advancements in welding technology. With a total of four patents to his name, he has significantly contributed to the field of gas pressure welding, particularly through his work at Nippon Steel Corporation.

Latest Patents

Yokokawa's latest patents focus on enhancing the efficiency and effectiveness of gas pressure welding. His first patent describes a gas pressure welding process wherein two steel members are butted together and subjected to heating in a pressed state. This innovative method allows for the steel members to undergo pressure welding while controlling the pressing and heating periods according to the contraction of the heated section. His second patent mirrors this concept, laying emphasis on automatic systems that optimize these processes, showcasing his dedication to improving automated welding techniques.

Career Highlights

Throughout his career at Nippon Steel Corporation, Takao Yokokawa has been instrumental in developing technologies that advance the manufacturing industry. His patents reflect a deep understanding of welding processes and highlight his ability to innovate at a high level. The achievements he has made have paved the way for more streamlined and efficient welding operations within the company.

Collaborations

Yokokawa has collaborated with several colleagues throughout his career, including Shigeo Takano and Yasuaki Ichinose. These collaborations have allowed for a rich exchange of ideas and further enhancement of their respective projects, leading to groundbreaking innovations in welding technology.

Conclusion

In conclusion, Takao Yokokawa is a prominent figure in the field of welding technology. His contributions through his patents at Nippon Steel Corporation exemplify the spirit of innovation and the commitment to excellence within the industry. As he continues to push the boundaries of what is possible, Yokokawa remains a key player in advancing welding techniques for future generations.

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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