Kurobe, Japan

Shunji Akashi

This inventor holds 82 USPTO granted patents, plus 1 CIPO patent and 3 EPO patents, primarily in Slide Fastener Technology (CPC class 2420511F). Top assignees: Yoshida Kogyo K.k., Ykk Corporation, Yoshida Kogyo Kabushiki Kaisha. Active years: 1976-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shunji Akashi. Retrieved from https://idiyas.com/inventor/shunji-akashi

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


% Patents Active = 90.2

 

 

Average Co-Inventor Count = 1.5

ph-index = 13

Forward Citations = 709(Granted Patents)

Forward Citations (Not Self Cited) = 671(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kurobe, JA (1976)
  • Runcorn, GB (2008 - 2009)
  • Toyama-ken, JP (1996 - 2011)
  • Toyama, JP (1991 - 2014)
  • Kurobe, JP (1978 - 2015)

Company Filing History:


Years Active: 1976-2015

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Areas of Expertise:
Slide Fastener
Automatic Lock Slider
Snap Fastener
Manufacturing Method
Hanger Device
Belt Adjuster
Pull Tab
Bottom End Stop
Knit Slide Fastener
Lockable Slider
Fastening Device
Separable Assembly
82 patents (USPTO):Explore Patents

Title: The Innovative Mind of Shunji Akashi

Introduction: Shunji Akashi, an esteemed inventor based in Kurobe, Japan, has made significant contributions to the world of fastening technology, amassing an impressive total of 82 patents. His innovative spirit and dedication to enhancing product functionality have established him as a notable figure in the industry.

Latest Patents: Among his latest inventions are the "Readily Burstable Slide Fastener" and "Reverse Opening Slide Fastener." The readily burstable slide fastener is designed for inflatable devices such as life jackets. It includes a mechanism where coupling elements are intentionally omitted in certain areas, allowing for an automatic separation of the components under pressure, enhancing safety during inflation. The reverse opening slide fastener features a unique connection and separation operation facilitated through a specially designed second member that interacts seamlessly with sliders, thereby improving user operability.

Career Highlights: Shunji Akashi has had an impactful career, working with renowned companies such as Yoshida Kogyo K.K. and YKK Corporation. His experience in these organizations has played a critical role in shaping his innovative approach to design and engineering.

Collaborations: Throughout his career, Akashi has collaborated with notable professionals in the field, including Hiroshi Yoshida and Yoshio Matsuda. These partnerships have contributed to advancing fastening technology and pushing the boundaries of functional design.

Conclusion: Shunji Akashi's contributions to the fastening industry through his innovative patents underscore his importance as an inventor. His work not only enhances the functionality of everyday products but also emphasizes the critical role of invention in improving safety and user experience. Akashi's legacy will undoubtedly inspire future generations of inventors and engineers.

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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