Kurobe, Japan

Tsutomu Hakoi

This inventor holds 6 USPTO granted patents. Top assignee: Yoshida Kogyo K.k.. Active years: 1981-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Hakoi. Retrieved from https://idiyas.com/inventor/tsutomu-hakoi

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 = 1.3

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Kurobe, JP (1981 - 1994)
  • Toyama, JP (1984 - 1995)

Company Filing History:


Years Active: 1981-1995

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6 patents (USPTO):Explore Patents

Title: Tsutomu Hakoi: Innovator in Slide Fastener Technology

Introduction

Tsutomu Hakoi is a notable inventor based in Kurobe, Japan. He has made significant contributions to the field of slide fastener technology, holding a total of 6 patents. His innovative approaches have enhanced the functionality and efficiency of slide fasteners, making them more reliable and user-friendly.

Latest Patents

One of Hakoi's latest patents is an "Automatic finishing method for airtight and waterproof slide fastener." This invention involves a process that supplies slide fastener chains equipped with coupling elements attached to a waterproof fastener tape. The method utilizes toothed supply rollers to mesh with the clamp elements of the slide fastener chains, threading them through a slider for interengagement. Another significant patent is the "Method and apparatus for supplying sliders to slide fastener stringers." This invention describes a system for delivering sliders to a moving slide fastener stringer, ensuring efficient attachment through a combination of a slider chute and a gripper mechanism.

Career Highlights

Hakoi's career is marked by his dedication to improving slide fastener technology. His work has not only resulted in multiple patents but has also set new standards in the industry. He is associated with Yoshida Kogyo K.K., a company known for its expertise in manufacturing high-quality fasteners.

Collaborations

Throughout his career, Tsutomu Hakoi has collaborated with talented individuals such as Yoichi Hirokawa and Shinji Murata. These collaborations have fostered innovation and have contributed to the advancement of slide fastener technology.

Conclusion

Tsutomu Hakoi's contributions to the field of slide fasteners are invaluable. His innovative patents and collaborative efforts continue to influence the industry positively. His work exemplifies the spirit of innovation and dedication to improving everyday products.

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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