Tokyo, Japan

Masaru Akiba

This inventor holds 58 USPTO granted patents and 2 published patent applications and 10 EPO patents, primarily in Fishing Rod Components (CPC class A01K). Top assignees: Globeride, Inc., Daiwa Seiko, Inc., Ngb Corporation. Active years: 1987-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Akiba. Retrieved from https://idiyas.com/inventor/masaru-akiba

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

USPTO Granted Patents = 58 

% Patents Active = 96.6

 

Average Co-Inventor Count = 2.2

ph-index = 9

Forward Citations = 237(Granted Patents)

Forward Citations (Not Self Cited) = 180(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokorozawa, JP (2000 - 2001)
  • Saitama, JP (1994 - 2002)
  • Higashikurume, JP (1996 - 2014)
  • Tokyo, JP (1987 - 2024)

Company Filing History:


Years Active: 1987-2026

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Areas of Expertise:
Fishing Rod
Reel Seat
Fishing Line Guide
Guide Ring
High-Hardness Surface
Fiber-Reinforced Resin
Intra-Line Fishing Rod
Inter-Line Fishing Rod
Fishing Line Guide Ring
Fishing Rod Design
Fishing Equipment
Fishing Accessories
58 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masaru Akiba

Introduction: Masaru Akiba, an esteemed inventor based in Tokyo, Japan, is known for his substantial contributions to the fishing equipment industry, holding an impressive total of 53 patents. His relentless pursuit of innovation has paved the way for enhanced functionality and user experience in fishing gear.

Latest Patents: Among his latest inventions, Akiba has developed a notable reel seat. This reel seat features a main body that includes a reel leg placing portion designed to securely hold the reel leg and a tubular portion with an opening hole for fixing the rear end of a fishing rod. The design offsets the rod downward relative to the axial center of the grip, ensuring better control and handling. This reel seat not only enhances grip comfort but also achieves efficient weight reduction, making it an essential advancement for fishing enthusiasts.

Career Highlights: Akiba has made significant strides throughout his career, particularly through his work with reputable companies such as Globeride, Inc. and Daiwa Seiko, Inc. His innovative spirit has led to developments that have greatly improved fishing equipment design and performance.

Collaborations: Akiba's journey has involved collaborations with fellow inventors, notably Masayuki Watanabe and Tomoyoshi Tsurufuji. Their collective expertise has contributed to numerous advancements and improvements in fishing technology, showcasing the power of teamwork in innovation.

Conclusion: Masaru Akiba's continued dedication to innovation in fishing equipment represents a significant impact on the industry. His extensive patent portfolio highlights his inventive capabilities and his commitment to enhancing the fishing experience. Through his work, Akiba has not only transformed fishing gear but has set a benchmark for future innovators in this field.

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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