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For the Inventor, By the Inventor

Hiratsuka, Japan

Yasuhiro Ishikawa

This inventor holds 8 USPTO granted patents. Top assignee: The Yokohama Rubber Co., Ltd.. Active years: 1983-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Ishikawa. Retrieved from https://idiyas.com/inventor/yasuhiro-ishikawa-oj8uv2s6

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

USPTO Granted Patents = 8

% Patents Active = 75.0

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 36(Granted Patents)


Location History:

  • Yokohama, JP (1983 - 1985)
  • Hiratsuka, JP (1988 - 2007)

Company Filing History:

goldMedal8 out of 2,770 
 
The Yokohama Rubber Co., Ltd.
 patents

Years Active: 1983-2007

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8 patents (USPTO):Explore Patents
1. 7191811 - Tire-wheel assembly (2007-03-20),
2. 6932130 - Tire wheel assembly (2005-08-23),
3. 5500482 - Rubber composition for tire tread (1996-03-19),
4. 4947916 - Pneumatic radial tire having belt reinforcements (1990-08-14),
5. 4824897 - Rubber compositions for steel tires (1989-04-25),
6. 4748168 - Rubber compositions for tire treads (1988-05-31),
7. 4518733 - Rubber compositions comprising (1) polyisoprene (2) cobalt salt of rosin (1985-05-21),
8. 4384027 - Composites of steel cords and rubber (1983-05-17),

Title: Yasuhiro Ishikawa: Innovator in Tire Technology

Introduction

Yasuhiro Ishikawa is a prominent inventor based in Hiratsuka, Japan. He has made significant contributions to the field of tire technology, holding a total of 8 patents. His innovative designs focus on enhancing the performance and safety of tire-wheel assemblies.

Latest Patents

Ishikawa's latest patents include a run-flat tire-wheel assembly that features an inside cavity with a run-flat support. This support is formed by a ring-shaped metal shell and rubber elastic members. The design incorporates a rubber composition that includes 100 parts by weight of a peroxide cross-linkable rubber and 1 to 30 parts by weight of a peroxide cross-linking agent. The contact surfaces of the metal shell with the rubber elastic members undergo electrolytic polymerization to improve bondability. Another notable patent is a tire wheel assembly that enhances bondability between the ring-shaped metal shell and rubbery elastic members by utilizing a rubber composition that includes diene-based rubber, carbon black, sulfur, and other components.

Career Highlights

Yasuhiro Ishikawa is currently employed at The Yokohama Rubber Co., Ltd. His work has been instrumental in advancing tire technology, particularly in the development of run-flat tire systems. His innovative approaches have garnered attention in the automotive industry.

Collaborations

Ishikawa has collaborated with notable coworkers such as Shinji Kawakami and Takeshi Hotaka. Their combined expertise has contributed to the successful development of advanced tire technologies.

Conclusion

Yasuhiro Ishikawa's contributions to tire technology through his innovative patents have significantly impacted the industry. His work continues to enhance the safety and performance of tire systems, making him a key figure in this field.

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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