Soka, Japan

Takashi Harada

This inventor holds 6 USPTO granted patents. Top assignee: Somar Corporation. Active years: 1992-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Harada. Retrieved from https://idiyas.com/inventor/takashi-harada-a2i86v3x

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 6

Forward Citations = 169(Granted Patents)


Location History:

  • Misato, JP (1996)
  • Soka, JP (1992 - 1997)

Company Filing History:


Years Active: 1992-1997

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6 patents (USPTO):Explore Patents

Title: Takashi Harada: Innovator in Golf Club Technology

Introduction

Takashi Harada is a prominent inventor based in Soka, Japan. He has made significant contributions to the field of golf equipment, particularly in the design of golf club shafts. With a total of 6 patents to his name, Harada's innovations have enhanced the performance and usability of golf clubs.

Latest Patents

One of Harada's latest patents involves a golf club shaft made from fiber-reinforced plastic. This shaft features a constant inside diameter of at least 7 mm between the tip end and a specific point, G1, with a varying inside diameter that increases from G1 to another point, G2. The positions of G1 and G2 are strategically spaced from the tip end, ensuring optimal performance. Additionally, the shaft maintains a constant outer diameter of at least 8 mm between the tip end and a point, H1, while also incorporating a varying outer diameter that decreases and then increases at designated points along the shaft. Another patent describes a hollow, fiber-reinforced plastic golf club shaft that tapers from the grip to the hosel, featuring an enlarged portion that alters the flexural rigidity at that point.

Career Highlights

Harada is currently associated with Somar Corporation, where he continues to innovate in the field of golf equipment. His work has been instrumental in advancing the technology behind golf club shafts, making them more efficient and effective for players.

Collaborations

Throughout his career, Harada has collaborated with notable colleagues, including Yoshihiro Motoki and Tsuneo Akatsuka. These partnerships have contributed to the development of cutting-edge golf technologies.

Conclusion

Takashi Harada's contributions to golf club technology through his innovative patents have significantly impacted the industry. His work exemplifies the importance of continuous improvement and innovation in sports equipment design.

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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