Kobe, Japan

Kazuyoshi Shiga

This inventor holds 115 USPTO granted patents and 24 published patent applications and 19 EPO patents, primarily in Rubber Composition (CPC class A63B37-0051). Top assignees: Sumitomo Rubber Industries Limited, Dunlop Sports Company Limited, Sri Sports Limited. Active years: 2011-2026.

USPTO Granted Patents = 115 

% Patents Active = 76.5

 

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 91(Granted Patents)

Forward Citations (Not Self Cited) = 63(Dec 10, 2025)


Inventors with similar research interests:

🔬 See more inventors

Company Filing History:


Years Active: 2011-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Rubber Composition
Crosslinked Rubber
Tennis Ball Adhesive
Aqueous Adhesive
Golf Ball
Modified Diene-Based Polymer
Golf Club Grip
Production Method
Dithioester Compound
Hollow Ball
115 patents (USPTO):Explore Patents

Title: The Innovative World of Kazuyoshi Shiga: Mastering Golf Ball Technology

Introduction:

Kazuyoshi Shiga, a pioneering inventor hailing from Kobe, Japan, has made a significant mark in the realm of golf ball technology. With an impressive portfolio of 99 patents to his name, Shiga-san is known for his relentless pursuit of creating golf balls that offer unparalleled performance on the greens.

Latest Patents:

Shiga's latest patents showcase his dedication to enhancing the spin performance and durability of golf balls. One patent focuses on a novel golf ball design with a polyurethane paint film, ensuring optimal spin performance on approach shots. The other patent introduces a golf ball crafted with a hard cover material that maintains resilience and shot feeling, pushing the boundaries of golf ball technology.

Career Highlights:

Throughout his career, Shiga has leveraged his expertise at renowned companies such as Sumitomo Rubber Industries Limited and Dunlop Sports Company Limited. His innovative spirit and commitment to excellence have played a pivotal role in shaping the golf ball industry, earning him a reputation as a visionary inventor.

Collaborations:

Shiga's collaborative efforts with accomplished coworkers like Takahiro Shigemitsu and Toshiyuki Tarao have been instrumental in bringing his groundbreaking ideas to life. Together, they have worked tirelessly to refine and perfect golf ball designs, setting new standards in the industry.

Conclusion:

In conclusion, Kazuyoshi Shiga stands as a trailblazer in the field of golf ball technology, continually pushing the boundaries of innovation and performance. His dedication to advancing the capabilities of golf balls has not only revolutionized the sport but has also solidified his legacy as a true inventor and visionary in the world of sports equipment.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
Loading…