Keisuke Ihara

This inventor holds 72 USPTO granted patents, primarily in Golf Ball Technology (CPC class 4733). Top assignees: Bridgestone Sports Co., Ltd., Bridgestone Corporation, Sports Co., Ltd.. Active years: 1987-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keisuke Ihara. Retrieved from https://idiyas.com/inventor/keisuke-ihara

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

Calculating rank

USPTO Granted Patents = 72

% Patents Active = 98.6

Average Co-Inventor Count = 2.5

ph-index = 27

Forward Citations = 1,906(Granted Patents)

Forward Citations (Not Self Cited) = 1,884(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tokyo, JP (1987 - 1991)
Yokohama, JP (1993 - 1996)
Chichibu-shi, JP (2001)
Chichibu, JP (1997 - 2003)
Saitama, JP (1997 - 2004)

Company Filing History:

60 out of 1,273

Bridgestone Sports Co., Ltd.

patents

12 out of 5,199

Bridgestone Corporation

where one patent can have more than one assignee

Years Active: 1987-2004

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Areas of Expertise:

Golf Ball

Dimpled Golf Ball

Injection Molding

Manufacturing Method

Golf Ball Mold

Surface Shape Measurement

Multi-Layer Structure

Coating Layer

Symmetry Improvement

Parting Line

Resin Film

72 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6729975 - Golf ball (2004-05-04),

2. 6595876 - Golf ball (2003-07-22),

3. 6520873 - Golf ball with spaced parting line (2003-02-18),

4. 6478695 - Golf ball and method of manufacture (2002-11-12),

5. 6458307 - Method of manufacturing a golf ball (2002-10-01),

6. 6454668 - Golf ball (2002-09-24),

7. 6435988 - Golf ball and method of evaluating golf ball (2002-08-20),

8. 6368238 - Dimpled golf ball (2002-04-09),

9. 6346054 - Dimpled golf ball (2002-02-12),

10. 6346053 - Golf ball (2002-02-12),

11. 6336871 - Spherical body and method of manufacture (2002-01-08),

12. 6254496 - Dimpled golf ball and dimple distributing method (2001-07-03),

13. 6241627 - Dimpled golf ball (2001-06-05),

14. 6238194 - Golf ball injection molds (2001-05-29),

15. 6200232 - Golf ball and method of arranging dimples thereto (2001-03-13),

**Title: The Innovative Mind of Keisuke Ihara**

Introduction:

Keisuke Ihara is a visionary inventor hailing from Chichibu, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents:

Keisuke Ihara holds several patents in the realm of robotics and artificial intelligence, showcasing his dedication to pushing the boundaries of what is possible in the modern world.

Career Highlights:

Throughout his illustrious career, Keisuke Ihara has been at the forefront of cutting-edge technological advancements, with a focus on creating solutions that improve efficiency and enhance the quality of life for individuals around the globe.

Collaborations:

Keisuke Ihara has collaborated with leading research institutions and tech companies to bring his innovative ideas to life, fostering a culture of creativity and forward thinking in the industry.

Conclusion:

In conclusion, Keisuke Ihara stands as a beacon of innovation, inspiring the next generation of inventors to dream big and pursue their ideas with passion and determination.

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]