Namerikawa, Japan

Kiyoshi Takeshima

This inventor holds 8 USPTO granted patents. Top assignee: Yoshida Kogyo K.k.. Active years: 1983-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Takeshima. Retrieved from https://idiyas.com/inventor/kiyoshi-takeshima

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 = 1.8

ph-index = 4

Forward Citations = 82(Granted Patents)


Location History:

  • Namerikawa, JP (1983 - 1986)
  • Toyama, JP (1990)

Company Filing History:


Years Active: 1983-1990

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8 patents (USPTO):Explore Patents

Title: Kiyoshi Takeshima: Innovator in Slide Fastener Technology

Introduction

Kiyoshi Takeshima is a notable inventor based in Namerikawa, Japan. He has made significant contributions to the field of slide fasteners, holding a total of eight patents. His innovative designs have advanced the functionality and efficiency of fastening technologies.

Latest Patents

One of his latest patents is a slide fastener that comprises a fastener tape and a continuous synthetic resin fastener element row produced by extruding means. This design features a series of cavities and is secured to one side edge of the fastener tape using element securing threads. The fastener element row includes individual fastener elements, each with an engaging head and upper and lower legs. These elements are connected at regular intervals by synthetic resin spacer means, which are integrally formed with the fastener elements. The design ensures that the spacer means has a minimum cross-sectional area in the central portion, gradually increasing in diameter towards the opposing walls of adjacent fastener elements. Additionally, connecting threads pass through the legs of the connected fastener elements, anchoring them securely.

Another significant patent is for a slide fastener stringer, which consists of an elongate molded coupling element strip woven into a stringer tape. This strip includes laterally spaced coupling elements, each having a pair of legs and connecting portions that extend in staggered relation. The design incorporates connector threads that are partially embedded in the legs of each coupling element, ensuring a robust connection. The coupling elements also feature grooves for anchor threads, enhancing the overall strength and durability of the fastener.

Career Highlights

Kiyoshi Takeshima has dedicated his career to the development of innovative fastening solutions. He works at Yoshida Kogyo K.K., where he continues to push the boundaries of slide fastener technology. His work has not only improved existing products but has also paved the way for new applications in various industries.

Collaborations

Throughout his career, Kiyoshi has collaborated with talented individuals such as Ryukichi Murai and Yoshinori Nakada. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Kiyoshi Takeshima's contributions to the field of slide fasteners exemplify the spirit of innovation. His patents reflect a deep understanding of materials and design, making him a

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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