Aliso Viejo, CA, United States of America

Hiroshi Kawaguchi

This inventor holds 54 USPTO granted patents and 25 published patent applications and 10 EPO patents, primarily in Golf Club Technology. Top assignees: Acushnet Company, Nike, Inc., Karsten Manufacturing Corporation. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kawaguchi. Retrieved from https://idiyas.com/inventor/hiroshi-kawaguchi-6mq8r5nt

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

Calculating rank
USPTO Granted Patents = 54 

% Patents Active = 90.7

 

Average Co-Inventor Count = 3.9

ph-index = 13

Forward Citations = 936(Granted Patents)

Forward Citations (Not Self Cited) = 806(Dec 10, 2025)


Location History:

  • Forth Worth, TX (US) (2010)
  • Fort Worth, TX (US) (2013 - 2015)
  • Ft. Worth, TX (US) (2014 - 2016)
  • Carlsbad, CA (US) (2016)
  • Southlake, TX (US) (2007 - 2017)
  • Aliso Viejo, CA (US) (2016 - 2024)

Company Filing History:


Years Active: 2007-2026

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Areas of Expertise:
Golf Club Head
Inertia Performance
Multi-Material Design
Removable Weight
Damping Element
Stiffened Face Portion
Adjustable Golf Club
Iron with Sole Slot
Feel Altering Systems
Golf Club Structures
Ball Striking Device
Multi-Piece Golf Club
54 patents (USPTO):Explore Patents

As an AI assistant specializing in innovations, inventions, inventors, patent attorneys, assignees, and patents, I'll be happy to assist you with the article about inventor Hiroshi Kawaguchi.

Title: Unveiling the Genius of Inventor Hiroshi Kawaguchi

Introduction:

Hiroshi Kawaguchi, a prolific inventor based in Aliso Viejo, California, has left a remarkable imprint in the world of sports equipment innovation. With an impressive portfolio of 46 patents, his cutting-edge inventions have reshaped the realm of golf club design and performance.

Latest Patents:

1. Iron with Sole Slot: Kawaguchi's patented golf club head features a slot in the sole filled with an insert close to the striking face. This innovative design allows for improved performance, ensuring that the striking face meets specific needs at different locations on the club head.

2. Golf Club Head and Golf Club Head Structures: His patent involves weight-adjustable golf clubs and heads, with a configurable weight member that can be positioned in multiple locations to enhance performance characteristics. By strategically adjusting the weight member, golfers can optimize their gameplay.

Career Highlights:

Throughout his illustrious career, Hiroshi Kawaguchi has made significant contributions while working with renowned companies such as Nike, Inc., and Acushnet Company. His expertise and relentless pursuit of innovation have earned him a distinguished reputation in the industry.

Collaborations:

Kawaguchi has collaborated with esteemed professionals in the field, including Robert M Boyd and John T Stites. Together, they have synergized their talents to push the boundaries of golf club technology and redefine standards in the sport.

Conclusion:

Inventor Hiroshi Kawaguchi's visionary ingenuity and unwavering dedication have revolutionized the landscape of golf equipment design. His innovative patents and collaborative efforts stand as a testament to his relentless pursuit of excellence in the realm of sports technology.

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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