Masahiro Kusayama

This inventor holds 13 USPTO granted patents and 1 published patent application, plus 2 CIPO patents and 2 EPO patents. Top assignee: Ykk Corporation. Active years: 2001-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Kusayama. Retrieved from https://idiyas.com/inventor/masahiro-kusayama

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

USPTO Granted Patents = 13 (Patent Applications = 1)

% Patents Active = 100.0

CIPO Patents = 2

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 1.9

ph-index = 8

Forward Citations = 150(Granted Patents)

Location History:

Toyoma-ken, JP (2002)
Kurobe, JP (2004)
Toyama, JP (2008 - 2009)
Toyama-ken, JP (2001 - 2014)

Company Filing History:

13 out of 1,408

Ykk Corporation

patents

Years Active: 2001-2014

Loading Chart...

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8806724 - Liquid-tight slide fastener (2014-08-19),

2. 8327509 - Liquid-tight slide fastener (2012-12-11),

3. 7870649 - Waterproof slide fastener (2011-01-18),

4. 7624482 - Article with slide fastener (2009-12-01),

5. 7591051 - Waterproof top end stop of slide fastener (2009-09-22),

6. 7565722 - Top end stops for slide fastener (2009-07-28),

7. 7416397 - Waterproof slide fastener and apparatus for manufacturing the same (2008-08-26),

8. 7415753 - Slide fastener (2008-08-26),

9. 7337506 - Waterproof slide fastener and apparatus for manufacturing the same (2008-03-04),

10. 6826807 - Fastener (2004-12-07),

11. 6810896 - Inflatable tent (2004-11-02),

12. 6427294 - Waterproof slide fastener and manufacturing method thereof (2002-08-06),

13. 6195852 - Reversely openable bottom end stop of slide fastener (2001-03-06),

Title: The Innovative Contributions of Masahiro Kusayama

Introduction

Masahiro Kusayama is a prominent inventor based in Toyama-ken, Japan. He has made significant contributions to the field of fastener technology, holding a total of 13 patents. His work focuses on creating innovative solutions that enhance the functionality and reliability of products.

Latest Patents

One of Kusayama's latest inventions is a liquid-tight slide fastener. This fastener features a pair of right and left coil-like coupling element rows, through which a core thread is passed. The fastener tapes are sewn along opposing side edges and have a liquid-tight layer on one surface. The core thread is coated with a water repellent or oil repellent agent. This design prevents water or oil from invading the space within the coupling element rows, effectively blocking further intrusion and providing excellent repellency without the need for a water stop flap.

Career Highlights

Kusayama is associated with YKK Corporation, a leading company in the fastener industry. His innovative designs have contributed to the company's reputation for quality and reliability. His patents reflect a commitment to advancing technology in practical applications.

Collaborations

Throughout his career, Kusayama has collaborated with talented individuals such as Ryo Tanaka and Yutaka Tominaga. These partnerships have fostered a creative environment that encourages the development of groundbreaking inventions.

Conclusion

Masahiro Kusayama's contributions to the field of fastener technology exemplify the spirit of innovation. His work continues to influence the industry, ensuring that products are not only functional but also reliable in various conditions.

Profile summary based on public USPTO records.