Tsubame, Japan

Hitoshi Takeda

This inventor holds 37 USPTO granted patents, primarily in Golf Club Manufacturing. Top assignees: K.k.endo Seisakusho, Kabushiki Kaisha Endo Seisakusho, K.k. Endo Siesakusho. Active years: 1995-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Takeda. Retrieved from https://idiyas.com/inventor/hitoshi-takeda-unjr8lcj

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

Calculating rank

% Patents Active = 67.6

Average Co-Inventor Count = 1.1

ph-index = 27

Forward Citations = 2,854(Granted Patents)


Location History:

  • Niigata-ken, JP (1999 - 2006)
  • Tsubame, JP (1995 - 2008)

Company Filing History:


Years Active: 1995-2008

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Areas of Expertise:
Golf Club
Golf Club Head
Iron Golf Club
Wood Golf Club
Manufacturing Method
Peripheral Weights
Iron-Type Golf Club
Set of Iron Golf Clubs
Production Method
Golf Equipment
Golfing Iron Club
37 patents (USPTO):Explore Patents

Title: Innovations in Golf Club Technology: The Contributions of Hitoshi Takeda

Introduction

Hitoshi Takeda, an accomplished inventor based in Tsubame, Japan, holds an impressive portfolio of 37 patents primarily focused on advancements in golf club technology. His innovative approaches have not only enhanced the performance of golf clubs but have also redefined manufacturing methods in the sporting equipment industry.

Latest Patents

Among his latest patents are groundbreaking methods for manufacturing golf club heads. One notable patent describes an iron-type head body that consists of a forgeable metal material body and a disparate metallic member. This innovative design incorporates a lighter member within the upper portion of the head, strategically positioning it away from the sole. This configuration allows the head to remain lightweight while lowering its center of gravity, optimizing performance.

In another patent, Takeda focuses on the golf club itself, where he introduces a design that enlarges the repulsion area of the face portion. By welding metal plates of varying rigidity or strength to the face portion, which features a strike surface, he enhances both the stability and efficiency of the club. For instance, a face portion made from a titanium alloy with high rigidity is combined with other components formed from pure titanium to ensure that the traveling distance of the ball is maximized when struck.

Career Highlights

Hitoshi Takeda's career includes significant contributions while working with companies such as K.K. Endo Seisakusho and Kabushiki Kaisha Endo Seisakusho. His role in these organizations has been pivotal in pushing forward the boundaries of golf club design and manufacturing techniques.

Collaborations

Throughout his career, Takeda has collaborated with notable individuals in the industry, including coworkers Kenji Kobayashi and Masami Niimura. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas and the realization of advanced designs in golf technology.

Conclusion

Hitoshi Takeda's impactful innovations in the realm of golf clubs exemplify the advancements that can be achieved through creativity and technical expertise. His patents not only contribute to the enhancement of sports equipment but also serve as a testament to the significance of collaborative efforts in driving innovation forward within the industry.

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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