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For the Inventor, By the Inventor

Kodaira, Japan

Yasufumi Ichiki

This inventor holds 5 USPTO granted patents. Top assignee: Bridgestone Corporation. Active years: 1991-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Ichiki. Retrieved from https://idiyas.com/inventor/yasufumi-ichiki

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 106(Granted Patents)


Location History:

  • Kodaira, JP (1994 - 1995)
  • Tokyo, JP (1991 - 1998)

Company Filing History:

goldMedal5 out of 5,195 
 
Bridgestone Corporation
 patents

Years Active: 1991-1998

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5 patents (USPTO):Explore Patents
1. 5725700 - Heavy duty pneumatic tires (1998-03-10),
2. 5385189 - Pneumatic tire with paired sides in the tread (1995-01-31),
3. D349670 - Automobile tire (1994-08-16),
4. 5327953 - Pneumatic tires with reduced side depth at defined locations (1994-07-12),
5. D316240 - Automobile tire (1991-04-16),

Title: Yasufumi Ichiki: Innovator in Pneumatic Tire Technology

Introduction

Yasufumi Ichiki is a prominent inventor based in Kodaira, Japan. He has made significant contributions to the field of pneumatic tire technology, holding a total of 5 patents. His innovative designs focus on enhancing tire performance, particularly in wet conditions and wear resistance.

Latest Patents

Ichiki's latest patents include a heavy-duty pneumatic tire that boasts excellent wet-running performances and wear resistance. This tire features a tread portion with multiple main grooves arranged on both sides of an equatorial plane. The grooves are designed to curve toward the equatorial plane, optimizing performance. Another notable patent is for a pneumatic tire with paired sides in the tread, which includes a unique arrangement of blocks and sipes that improve tire functionality. These innovations reflect Ichiki's commitment to advancing tire technology.

Career Highlights

Yasufumi Ichiki is currently employed at Bridgestone Corporation, a leading company in the tire manufacturing industry. His work has significantly impacted the design and functionality of tires, making them safer and more efficient for various driving conditions.

Collaborations

Ichiki has collaborated with notable coworkers, including Namito Aoki and Chishiro Tanabe. Their combined expertise has contributed to the development of innovative tire solutions.

Conclusion

Yasufumi Ichiki's contributions to pneumatic tire technology exemplify his dedication to innovation and excellence. His patents and work at Bridgestone Corporation continue to influence the industry positively.

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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