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For the Inventor, By the Inventor

Kurobe, Japan

Kozo Watanabe

This inventor holds 14 USPTO granted patents. Top assignees: Yoshida Kogyo K.k., Ykk Corporation. Active years: 1985-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kozo Watanabe. Retrieved from https://idiyas.com/inventor/kozo-watanabe-8nncjb67

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 77(Granted Patents)


Location History:

  • Toyama, JP (1991)
  • Toyama-ken, JP (2001)
  • Kurobe, JP (1985 - 2003)

Company Filing History:

goldMedal9 out of 1,145 
 
Yoshida Kogyo K.k.
 patents
silverMedal5 out of 1,408 
 
Ykk Corporation
 patents

Years Active: 1985-2003

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14 patents (USPTO):Explore Patents
1. 6630236 - Reinforcing tape for slide fastener (2003-10-07),
2. 6548165 - Reinforcing tape for slide fastener (2003-04-15),
3. 6205626 - Bottom end stop attaching portions of fastener tapes and a slide fastener chain including the same (2001-03-27),
4. 6093489 - Reinforcing tape for slide fastener (2000-07-25),
5. 5985438 - Reinforcing tape for slide fastener (1999-11-16),
6. 5023394 - Slide fastener chain for shielding the electromagnetic wave (1991-06-11),
7. 4823446 - Fluid-tight slide fastener stringer (1989-04-25),
8. 4787140 - Apparatus for attaching top end stops to a continuous slide fastener (1988-11-29),
9. 4744133 - Fluid-tight slide fastener stringer (1988-05-17),
10. 4711020 - Top end-stop attaching machine with improved top end-stop supplying (1987-12-08),
11. 4665679 - Apparatus for binding elongate products (1987-05-19),
12. 4610124 - Method of bundling elongate articles (1986-09-09),
13. 4570422 - Apparatus for bundling elongate articles (1986-02-18),
14. 4540619 - Thermally shrinkable labeling band (1985-09-10),

Title: Kozo Watanabe: Innovator in Slide Fastener Technology

Introduction

Kozo Watanabe is a prominent inventor based in Kurobe, Japan. He has made significant contributions to the field of slide fastener technology, holding a total of 14 patents. His innovative designs and materials have advanced the functionality and durability of slide fasteners.

Latest Patents

Watanabe's latest patents include a unique reinforcing tape for slide fasteners. One of his inventions features a transparent elastomer film with an adhesive layer on the reverse side. An intermediate layer, known as an anchor coat layer, is interposed between the elastomer film and the adhesive layer. This intermediate layer has a thickness thinner than both the elastomer film and the adhesive layer, ideally ranging from 0.5 to 10 µm, with a preference for 2 to 3 µm. Another patent describes a reinforcing tape that utilizes a polyamide elastomer film, which exhibits a modulus of elasticity in bending between 6,000 to 9,000 kg/cm, along with a polyester hot-melt adhesive for the adhesive layer. An intermediate layer, thinner than both the polyamide elastomer film and the adhesive layer, is also included in this design.

Career Highlights

Throughout his career, Watanabe has worked with notable companies such as Yoshida Kogyo K.K. and YKK Corporation. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative products in the fastener industry.

Collaborations

Watanabe has collaborated with several talented individuals in his field, including Masashi Kawada and Noritaka Tsubata. These partnerships have fostered a creative environment that has led to the successful development of new technologies.

Conclusion

Kozo Watanabe's contributions to slide fastener technology through his numerous patents and collaborations highlight his innovative spirit and dedication to advancing the industry. His work continues to influence the design and functionality of fasteners, ensuring their reliability and effectiveness in various applications.

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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