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For the Inventor, By the Inventor

Fukushima, Japan

Tsutomu Iseki

This inventor holds 10 USPTO granted patents. Top assignee: Sumitomo Rubber Industries Limited. Active years: 1982-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Iseki. Retrieved from https://idiyas.com/inventor/tsutomu-iseki

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Shirakawa, JP (1982)
  • Fukushima, JP (1992 - 1996)
  • Fukushima-ken, JP (1996 - 1998)

Company Filing History:

goldMedal10 out of 4,548 
 
Sumitomo Rubber Industries Limited
 patents

Years Active: 1982-1998

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10 patents (USPTO):Explore Patents
1. 5830302 - Method of making a pneumatic radial tire with carcass overlap joint (1998-11-03),
2. 5658405 - Pneumatic radial tire with carcass overlap joint having at least one (1997-08-19),
3. 5593521 - Pneumatic tire including cord layers (1997-01-14),
4. 5535801 - Pneumatic tire with zigzag cord belt (1996-07-16),
5. 5503697 - Method for pressure-adhering a joint portion of a tire building (1996-04-02),
6. 5419384 - Pneumatic tire including a carcass ply composed of a plurality of ply (1995-05-30),
7. 5417795 - Apparatus for pressure-adhering a joint portion of a tire building (1995-05-23),
8. 5372172 - Pneumatic tire including a carcass ply composed of a plurality of ply (1994-12-13),
9. 5171502 - Method and apparatus for fabricating a rubberized wire sheet (1992-12-15),
10. 4319622 - Pneumatic tire with improved bead construction (1982-03-16),

Title: Tsutomu Iseki: Innovator in Pneumatic Radial Tire Technology

Introduction

Tsutomu Iseki is a notable inventor based in Fukushima, Japan. He has made significant contributions to the field of tire technology, particularly in the development of pneumatic radial tires. With a total of 10 patents to his name, Iseki's work has had a lasting impact on the automotive industry.

Latest Patents

Iseki's latest patents include a method of making a pneumatic radial tire with a carcass overlap joint. This innovative design features a radial carcass ply wound around the tire's axis, where the terminal edge of the carcass ply overlaps with the starting edge, creating an overlap-joint part. This design includes at least one cut in either the starting or terminal edge, allowing for improved structural integrity. Another patent focuses on a pneumatic radial tire with a similar carcass overlap joint, emphasizing the importance of the cutting method during the winding process.

Career Highlights

Throughout his career, Tsutomu Iseki has worked with prominent companies in the tire industry, including Sumitomo Rubber Industries Limited. His expertise in tire design and manufacturing has positioned him as a key figure in advancing tire technology.

Collaborations

Iseki has collaborated with notable colleagues such as Youichi Endo and Masakazu Taguchi. Their combined efforts have contributed to the development of innovative tire solutions.

Conclusion

Tsutomu Iseki's contributions to pneumatic radial tire technology demonstrate his commitment to innovation and excellence in the automotive field. His patents continue to influence tire design and manufacturing processes, ensuring safer and more efficient vehicles on the road.

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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