Tondabayashi, Japan

Toshihiko Yasui

This inventor holds 21 USPTO granted patents, primarily in Fishing Rod Technology. Top assignees: Shimano Inc., Shimano Industrial Co., Ltd.. Active years: 1989-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Yasui. Retrieved from https://idiyas.com/inventor/toshihiko-yasui

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 = 1.4

ph-index = 8

Forward Citations = 177(Granted Patents)


Location History:

  • Sakai, JP (1989 - 1992)
  • Osaka, JP (1996 - 1997)
  • Tondabayashi, JP (1993 - 2001)
  • Tonabayashi, JP (2001)

Company Filing History:


Years Active: 1989-2001

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Areas of Expertise:
Fishing Line Guiding Mechanism
Hollow Collapsible Fishing Rod
Grip Manufacturing
Lure Design
Line Introduction Guide
Germicidal Fishing Equipment
Reel Seat
Guide Element
Coupling Sleeve
Fixed Guide Mounting
Fishing Rod Stock
Manufacturing Methods
21 patents (USPTO):Explore Patents

Title: Innovations of Toshihiko Yasui: A Leader in Fishing Technology

Introduction: Toshihiko Yasui, based in Tondabayashi, Japan, stands out as an accomplished inventor with a remarkable portfolio of 21 patents. His contributions to the fishing industry have significantly advanced fishing gear technology, allowing for more efficient and user-friendly equipment.

Latest Patents: Among his latest innovations is a fishing line guiding mechanism for spinning reels. This mechanism is designed to be movably supported on one end of a rotor arm for guiding a fishing line to a spool. It features a pair of pivotally supported bail supporting members, a rotatable line roller, and a unique brushing member with an elastic component that enhances functionality. Another notable invention is an inner rod for a hollow collapsible fishing rod. This design includes a tubular rod, an inner rod with a fishline guiding passage, and detachable fishline guides, allowing for easy cleaning and maintenance.

Career Highlights: Toshihiko Yasui has made significant strides in his career, contributing his expertise to leading companies in the fishing industry, such as Shimano Inc. and Shimano Industrial Co., Ltd. His work has been pivotal in developing innovative fishing products, which have influenced both amateur and professional anglers worldwide.

Collaborations: Throughout his career, Yasui has collaborated with talented individuals like Kiyohiko Matsumoto and Seiji Myojo. These collaborations have fostered a creative environment that led to the development of numerous inventive solutions within the fishing equipment sector.

Conclusion: With his extensive knowledge and experience, Toshihiko Yasui continues to be a prominent figure in fishing technology. His innovative patents and collaborative efforts illustrate his dedication to improving and transforming the fishing experience for enthusiasts around the globe.

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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