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For the Inventor, By the Inventor

Yokohama, Japan

Toshiaki Takuwa

This inventor holds 6 USPTO granted patents. Top assignee: Babcock-Hitachi Kabushiki Kaisha. Active years: 1986-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiaki Takuwa. Retrieved from https://idiyas.com/inventor/toshiaki-takuwa

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 5.1

ph-index = 6

Forward Citations = 183(Granted Patents)


Location History:

  • Yokohama, JP (1988 - 1990)
  • Kure, JP (1986 - 1997)

Company Filing History:

goldMedal6 out of 222 
 
Babcock-Hitachi Kabushiki Kaisha
 patents

Years Active: 1986-1997

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6 patents (USPTO):Explore Patents
1. 5635091 - Tips for welding and their manufacturing process (1997-06-03),
2. 4904843 - AC TIG welding apparatus using hot wire (1990-02-27),
3. 4801781 - Semi-automatic hot wire tig welding equipment (1989-01-31),
4. 4788412 - Method of control and apparatus for hot-wire welding (1988-11-29),
5. 4628182 - Hot-wire TIG welding apparatus (1986-12-09),
6. 4614856 - Hot-wire TIG welding apparatus (1986-09-30),

Title: Toshiaki Takuwa: Innovator in Welding Technology

Introduction

Toshiaki Takuwa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of welding technology, holding a total of 6 patents. His innovative approaches have enhanced the efficiency and effectiveness of welding processes.

Latest Patents

Takuwa's latest patents include a remarkable invention focused on welding tips and their manufacturing process. This invention addresses the feed stability of a wire, the release capacity of foreign matter, and the stability of current control. The process is designed to manufacture welding tips economically by utilizing a specially shaped guide hole. The guide hole's sectional shape can be polygonal or elliptic, with a preference for a polygon that circumscribes a larger circle than the wire's outer diameter. Additionally, he has developed an AC TIG welding apparatus that utilizes a hot wire. This apparatus features an unconsumable electrode arranged opposite the base metal to be welded, enhancing the welding process of aluminum.

Career Highlights

Toshiaki Takuwa is currently employed at Babcock-Hitachi Kabushiki Kaisha, where he continues to innovate in welding technology. His work has been instrumental in advancing the capabilities of welding equipment and processes.

Collaborations

Throughout his career, Takuwa has collaborated with notable coworkers, including Katsuyoshi Hori and Toshiharu Myoga. These collaborations have contributed to the development of cutting-edge welding technologies.

Conclusion

Toshiaki Takuwa's contributions to welding technology through his patents and innovative designs have made a significant impact in the industry. His work continues to influence the future of welding processes and equipment.

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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