Nishishirakawa, Japan

Hisashi Imai

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignee: Sumitomo Rubber Industries Limited. Active years: 1984-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Imai. Retrieved from https://idiyas.com/inventor/hisashi-imai

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 = 3.8

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Fukushima, JP (1984)
  • Nishishirakawa, JP (1993 - 1994)
  • Izumizaki, JP (1994)

Company Filing History:


Years Active: 1984-1994

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6 patents (USPTO):Explore Patents

Title: Hisashi Imai: Innovator in Tire Manufacturing Technology

Introduction

Hisashi Imai is a prominent inventor based in Nishishirakawa, Japan. He has made significant contributions to the field of tire manufacturing, holding a total of 6 patents. His innovative approaches have led to advancements in tire fabrication methods, enhancing efficiency and quality in the industry.

Latest Patents

One of Hisashi Imai's latest patents is a method and apparatus for stitching a tire. This invention involves a tire fabricating method and apparatus designed for mounting a component assembly on a drum. It applies a pressing force radially inward of the drum to adhere a carcass, a breaker, and a tread together. The design includes first and second stitch roller members positioned adjacent to each other in a circumferential direction. While the drum rotates, a fluid cylinder extends to press these roller members against the tread's outer circumferential surface. The roller elements then move away from the center portion of the tread to its opposite ends, widening the spacing between them. Another notable invention is the green tire forming apparatus, which further showcases his expertise in tire technology.

Career Highlights

Hisashi Imai is currently associated with Sumitomo Rubber Industries Limited, a leading company in the tire manufacturing sector. His work has been instrumental in developing innovative solutions that improve tire production processes. His contributions have not only advanced the technology but have also set new standards in the industry.

Collaborations

Throughout his career, Imai has collaborated with notable colleagues such as Yoshinobu Miyanaga and Masao Takami. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Hisashi Imai's work in tire manufacturing exemplifies the spirit of innovation. His patents and contributions continue to influence the industry, paving the way for future advancements in tire technology.

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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