Amagasaki, Japan

Masahiko Shiraishi

This inventor holds 4 USPTO granted patents. Top assignees: Sri Sports Limited, Shinto Paint Co., Ltd., Dunlop Sports Company Limited. Active years: 2012-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Shiraishi. Retrieved from https://idiyas.com/inventor/masahiko-shiraishi

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

Calculating rank

% Patents Active = 25.0

Average Co-Inventor Count = 4.7

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2012-2016

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4 patents (USPTO):Explore Patents

Title: Masahiko Shiraishi: Innovator in Golf Ball Technology

Introduction

Masahiko Shiraishi is a notable inventor based in Amagasaki, Japan. He has made significant contributions to the field of golf ball technology, holding a total of 4 patents. His innovative designs focus on enhancing the performance of golf balls under various conditions.

Latest Patents

Shiraishi's latest patents include advancements aimed at improving golf ball performance. One of his inventions is a golf ball designed to achieve a high spin rate on approach shots, particularly in wet and rough conditions. This golf ball features a body and a paint film with specific hardness and modulus ratios to optimize its performance. Another notable patent involves a curing type polyurethane aqueous golf ball paint, which enhances the gloss and evenness of the paint film. This paint is formulated with a unique combination of aqueous polyol and polyisocyanate, ensuring durability and quality.

Career Highlights

Throughout his career, Masahiko Shiraishi has worked with reputable companies such as Sri Sports Limited and Shinto Paint Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative golf ball technologies.

Collaborations

Shiraishi has collaborated with talented individuals in the industry, including Toshiyuki Tarao and Kuniyasu Horiuchi. These partnerships have fostered creativity and innovation in his projects.

Conclusion

Masahiko Shiraishi's contributions to golf ball technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and performance optimization, making him a key figure in the 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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