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For the Inventor, By the Inventor

Tokyo, Japan

Toshihiro Nishiwaki

This inventor holds 12 USPTO granted patents. Top assignees: Obara Corporation, Obara Kinzoku Kogyo Kabushiki Kaisha. Active years: 1988-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiro Nishiwaki. Retrieved from https://idiyas.com/inventor/toshihiro-nishiwaki

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 7

Forward Citations = 102(Granted Patents)


Location History:

  • Kawasaki, JP (1988)
  • Kanagawa, JP (1988 - 1991)
  • Tokyo, JP (1992 - 1997)

Company Filing History:

goldMedal11 out of 48 
 
Obara Corporation
 patents
silverMedal1 out of 1 
 
Obara Kinzoku Kogyo Kabushiki Kaisha
 patent

Years Active: 1988-1997

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12 patents (USPTO):Explore Patents
1. 5628923 - Robot welding gun unit (1997-05-13),
2. 5436422 - Resistance welding control method (1995-07-25),
3. 5333975 - Method of and apparatus for dressing tips for welding machines (1994-08-02),
4. 5111018 - Connection member in a welding gun for robot (1992-05-05),
5. 5091623 - Welding gun provided with a backup cylinder (1992-02-25),
6. 5010228 - Tool changer for welding robot (1991-04-23),
7. 4917619 - Tool changer for welding robot (1990-04-17),
8. 4762446 - Cutter of tip dresser for welding apparatus (1988-08-09),
9. 4739149 - Current sensor for welder conductor (1988-04-19),
10. 4733042 - Welding control apparatus including a pressure regulating valve operated (1988-03-22),
11. 4728769 - Resistance welding electrode (1988-03-01),
12. 4727775 - Dressing device for tip of welding gun (1988-03-01),

Title: The Innovations of Toshihiro Nishiwaki

Introduction

Toshihiro Nishiwaki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of robotics and welding technology, holding a total of 12 patents. His work focuses on enhancing the efficiency and quality of welding processes through innovative designs and methods.

Latest Patents

One of his latest inventions is the Robot Welding Gun Unit. This device features a welding gun mounting bracket at the tip of a robot arm, which incorporates a cylinder unit for adjusting the position of a fixed arm. The design allows for the elimination of movement variation in the welding gun, ensuring consistent contact with the weldment surface. This innovation facilitates safe and accurate welding without causing distortion in the weldment.

Another notable patent is the Resistance Welding Control Method. This method aims to minimize spatter generation during electrode consumption, thereby achieving a desired nugget and ensuring high welding quality. The process involves detecting primary or secondary voltage during welding, monitoring the resistance value of the workpiece, and storing data in a computer to optimize the welding current pattern. This approach allows for effective control of resistance welding while reducing spatter.

Career Highlights

Toshihiro Nishiwaki has worked with several notable companies, including Obara Corporation and Obara Kinzoku Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in welding technology and robotics.

Collaborations

Throughout his career, Nishiwaki has collaborated with talented individuals such as Tatsuo Morita and Shozo Yamaguchi. These partnerships have fostered innovation and advancements in their respective fields.

Conclusion

Toshihiro Nishiwaki's contributions to welding technology and robotics are significant, with his patents reflecting a commitment to improving industrial processes. His innovative designs and methods continue to influence the industry, showcasing the importance of creativity in 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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