Sayama, Japan

Toshihiro Murakawa

This inventor holds 5 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1991-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiro Murakawa. Retrieved from https://idiyas.com/inventor/toshihiro-murakawa-a0hidfmp

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 = 2.9

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Sayama, JP (1991)
  • Saitama-ken, JP (1998)
  • Columbus, OH (US) (1999)

Company Filing History:


Years Active: 1991-1999

Loading Chart...
5 patents (USPTO):Explore Patents

Title: Innovations of Toshihiro Murakawa

Introduction

Toshihiro Murakawa is a notable inventor based in Sayama, Japan. He has made significant contributions to the field of welding technology, holding a total of 5 patents. His work focuses on improving welding methods and devices, showcasing his expertise and innovative spirit.

Latest Patents

One of his latest patents is an "Electric resistance welding method with unequal force application." This invention addresses the challenges faced when welding workpieces made of plates with varying thicknesses. By applying greater electrode force on the thinner plate, the contact pressure increases, leading to reduced contact resistance. Consequently, the nugget formed on the thinner plate is smaller than that on the thicker plate, enhancing the overall welding quality.

Another significant patent is the "Device for confirming opening of welding gun." This device ensures the open state of a welding gun with a reciprocating mechanism. It features a pin feeler that detects the position of a piston within the cylinder, confirming the open state without interference from dust or grease. This innovation allows for efficient assembly and reliable operation.

Career Highlights

Toshihiro Murakawa is associated with Honda Giken Kogyo Kabushiki Kaisha, a prominent company in the automotive industry. His work there has contributed to advancements in welding technology, reflecting the company's commitment to innovation and quality.

Collaborations

Throughout his career, Murakawa has collaborated with talented individuals such as Gen Tsujii and Nobuo Kobayashi. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Toshihiro Murakawa's contributions to welding technology through his innovative patents demonstrate his expertise and commitment to advancing the field. His work continues to influence the industry, showcasing the importance of innovation 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]
Loading…