Runcorn, United Kingdom

Shigeyoshi Takasawa

This inventor holds 8 USPTO granted patents and 1 EPO patent. Top assignees: Ykk Corporation, Ykk Corpration. Active years: 2000-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeyoshi Takasawa. Retrieved from https://idiyas.com/inventor/shigeyoshi-takasawa

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


% Patents Active = 75.0

 

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 57(Granted Patents)


Location History:

  • Toyama, JP (2002)
  • Toyama-ken, JP (2000 - 2003)
  • Runcorn, GB (2008 - 2014)
  • Anaheim, CA (US) (2015)

Company Filing History:


Years Active: 2000-2015

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8 patents (USPTO):Explore Patents

Title: The Innovations of Shigeyoshi Takasawa

Introduction

Shigeyoshi Takasawa is a notable inventor based in Runcorn, GB. He holds a total of 8 patents, showcasing his significant contributions to the field of innovation. His work primarily focuses on advancements in fastening technology, particularly for inflatable devices.

Latest Patents

One of Takasawa's latest inventions is the readily burstable slide fastener designed for inflatable devices, such as lifejackets. This innovative fastener includes a first stringer, a second stringer, and a slider that is slidably mounted on the second stringer. At a weakened region along the slide fastener, coupling elements are omitted from each of the stringers. This design allows for the disengagement of the coupling elements when a bursting force is applied. Additionally, coupling elements are omitted from the top of the first stringer, enabling the first stringer to disengage from the slider when the slider is at the top of the coupling elements of the second stringer. When fitted to an inflatable lifejacket, the stringers completely separate when the lifejacket is inflated, enhancing safety and functionality.

Career Highlights

Throughout his career, Takasawa has worked with prominent companies, including YKK Corporation. His experience in the industry has allowed him to develop innovative solutions that address practical challenges in fastening technology.

Collaborations

Some of his notable coworkers include Shunji Akashi and Mark Davies. Their collaboration has contributed to the advancement of various projects and innovations in the field.

Conclusion

Shigeyoshi Takasawa's contributions to the field of fastening technology, particularly through his readily burstable slide fastener, demonstrate his innovative spirit and commitment to safety. His work continues to influence the design of inflatable devices, making them more reliable and effective.

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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