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For the Inventor, By the Inventor

Tokyo, Japan

Tomohiro Murayama

This inventor holds 13 USPTO granted patents, primarily in Fishing Reel Technology. Top assignee: Daiwa Seiko, Inc.. Active years: 1995-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiro Murayama. Retrieved from https://idiyas.com/inventor/tomohiro-murayama

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 58(Granted Patents)


Location History:

  • Higashikurume, JP (1998)
  • Tokyo, JP (1995 - 1999)
  • Kouchi, JP (1998 - 2003)

Company Filing History:

goldMedal13 out of 602 
 
Daiwa Seiko, Inc.
 patents

Years Active: 1995-2003

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Areas of Expertise:
Fishing Reel
Double Bearing
Clutch Mechanism
Level Winding Device
Balance Improvement
Grip Design
Reversal Prevention
Parallel Winding Unit
13 patents (USPTO):Explore Patents
1. 6533201 - Double bearing type reel for fishing (2003-03-18),
2. 5996919 - Fishing reel of double bearing type having improved balance and (1999-12-07),
3. 5941471 - Clutch mechanism for a double bearing type reel for fishing having an (1999-08-24),
4. 5850979 - Fishing reel of double bearing type having improved balance and (1998-12-22),
5. 5833155 - Double-bearing fishing reel with a level winding device (1998-11-10),
6. 5829701 - Double-bearing fishing reel with finger placing members (1998-11-03),
7. 5772140 - Double-bearing fishing reel with fishing parallel-winding unit and drive (1998-06-30),
8. D394896 - Fishing reel (1998-06-02),
9. 5683050 - Handle for a fishing reel shaped to provide a natural grip and easy (1997-11-04),
10. 5607116 - Fishing reel reversal preventive device (1997-03-04),
11. 5577678 - Handle of a fishing reel (1996-11-26),
12. 5503346 - Fishing reel (1996-04-02),
13. 5393006 - Fishing reel (1995-02-28),

Title: Innovations by Tomohiro Murayama

Introduction

Tomohiro Murayama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of fishing equipment, particularly through his innovative designs for fishing reels. With a total of 13 patents to his name, Murayama continues to enhance the functionality and efficiency of fishing gear.

Latest Patents

Among his latest patents is the "Double Bearing Type Reel for Fishing." This invention features an attaching member that is fastened by one screw from the inside of a bearing, which enhances both work efficiency and aesthetic appeal. Another notable patent is the "Fishing Reel of Double Bearing Type Having Improved Balance." This design ensures that the center of gravity of the reel and handle position are closer to the hand holding the reel, allowing for a more stable fishline take-up operation.

Career Highlights

Tomohiro Murayama is currently employed at Daiwa Seiko, Inc., a leading company in the fishing tackle industry. His work at Daiwa has allowed him to focus on developing advanced fishing reel technologies that cater to the needs of anglers worldwide.

Collaborations

Murayama has collaborated with notable coworkers such as Nobuyuki Yamaguchi and Toshiro Ono. Their combined expertise has contributed to the successful development of innovative fishing products.

Conclusion

Tomohiro Murayama's contributions to fishing reel technology exemplify his dedication to innovation in the field. His patents reflect a commitment to improving user experience and efficiency in fishing equipment.

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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