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For the Inventor, By the Inventor

Takatsuki, Japan

Satoshi Iwama

This inventor holds 6 USPTO granted patents. Top assignee: Toyo Tire Rubber Co., Ltd.. Active years: 1985-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Iwama. Retrieved from https://idiyas.com/inventor/satoshi-iwama-geodh23a

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 84(Granted Patents)


Location History:

  • Osaka, JP (1985 - 1990)
  • Ibaraki, JP (1990)
  • Takatsuki, JP (1990 - 1994)

Company Filing History:

goldMedal6 out of 967 
 
Toyo Tire Rubber Co., Ltd.
 patents

Years Active: 1985-1994

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6 patents (USPTO):Explore Patents
1. 5302636 - Rubber composition (1994-04-12),
2. 4946887 - Tire tread rubber composition and tire for passenger car (1990-08-07),
3. 4942197 - Rubber composition for tire tread (1990-07-17),
4. 4908401 - Rubber composition for tire tread (1990-03-13),
5. 4840988 - Rubber composition for tire tread (1989-06-20),
6. 4550135 - Tire rubber composition (1985-10-29),

Title: Satoshi Iwama: Innovator in Rubber Composition Technology

Introduction

Satoshi Iwama is a notable inventor based in Takatsuki, Japan. He has made significant contributions to the field of rubber composition, particularly in applications related to tire manufacturing. With a total of 6 patents to his name, Iwama's work has had a considerable impact on the industry.

Latest Patents

Iwama's latest patents include innovative developments in rubber compositions. One of his notable inventions is a rubber composition that incorporates leather powder or gelatin powder, which is designed for use in tire treads. Another significant patent focuses on a tire tread rubber composition characterized by a two-peak tan delta, which enhances the performance of tires for passenger cars.

Career Highlights

Satoshi Iwama is currently associated with Toyo Tire Rubber Co., Ltd., where he continues to advance rubber technology. His expertise in rubber compositions has positioned him as a key figure in the development of high-performance tires.

Collaborations

Iwama has collaborated with several professionals in his field, including Rinichi Nakayama and Riichiro Ohara. These collaborations have fostered innovation and contributed to the success of his projects.

Conclusion

Satoshi Iwama's contributions to rubber composition technology and tire manufacturing demonstrate his innovative spirit and dedication to advancing the industry. His patents reflect a commitment to improving performance and sustainability in tire products.

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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