Ryuichi Murasaki

This inventor holds 78 USPTO granted patents and 1 published patent application and 4 EPO patents, primarily in Surface Fasteners (CPC class 2444). Top assignees: Ykk Corporation, Yoshida Kogyo K.k.. Active years: 1978-2021.

USPTO Granted Patents = 78 (Patent Applications = 1)

% Patents Active = 94.9

EPO Patents = 4 (Patent Applications = 2)

Average Co-Inventor Count = 1.7

ph-index = 22

Forward Citations = 1,272(Granted Patents)

Forward Citations (Not Self Cited) = 1,202(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tateyama, JP (1981 - 1985)
Toyama-ken, JP (1996 - 2006)
Macon, GA (US) (2009)
Toyama, JP (1978 - 2014)
Tokyo, JP (2014 - 2021)

Company Filing History:

Years Active: 1978-2021

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Areas of Expertise:

Molded Surface Fastener

Fastening Clip

Cover Material

Skin Material

Manufacturing Method

Hook Fastener

Synthetic Resin

Fastener Strip

Cushion Body

Molding Apparatus

Sealing Vertical Wall

Polishing Paper Cloth

78 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10993547 - End member for fastening cover material (2021-05-04),

2. 10820719 - Skin-material fixing tool (2020-11-03),

3. 10618800 - Skin-material fixing clip (2020-04-14),

4. 10426231 - Molded surface fastener, cushion body, cushion body manufacturing method, and molding die (2019-10-01),

5. 9888746 - Molded surface fastener (2018-02-13),

6. 9783090 - Skin material fastening structure and skin material removing tool (2017-10-10),

7. 9663007 - Cover material fastening clip (2017-05-30),

8. 9517926 - Cover-material fastening cord (2016-12-13),

9. 9445650 - Male surface fastener member for use in a cushion body mold and manufacturing method thereof (2016-09-20),

10. 9061882 - Fastening member (2015-06-23),

11. 9004591 - Fixture unit and cover fixing method (2015-04-14),

12. 8857018 - Clip for fastening surface skin material (2014-10-14),

13. 8795564 - Male surface fastener member for use in a cushion body mold and manufacturing method thereof (2014-08-05),

14. 7998548 - Male surface fastener member for use in a cushion body mold and manufacturing method thereof (2011-08-16),

15. 7493676 - Hook fastener structures (2009-02-24),

Title: Ryuichi Murasaki: A Pioneer in Innovative Fastening Solutions

Introduction

Ryuichi Murasaki is an accomplished inventor based in Tokyo, Japan, known for his significant contributions to the field of fastening solutions. With an impressive portfolio of 78 patents to his name, Murasaki has made substantial advancements in the design and functionality of cover-material fastening tools and components.

Latest Patents

Murasaki's latest innovations include two pivotal patents that enhance fastening technology. The first invention, titled "End Member for Fastening Cover Material," features a band-shaped member with a locking member that is wider in a perpendicular direction. This unique design consists of a center plate-shaped portion, a flange portion, and multiple rib portions, allowing for effective fastening of cover materials. The rib portions are strategically positioned along the center plate-shaped portion to facilitate reliable connections.

The second patent, "Skin-Material Fixing Tool," introduces a cover-material fixing tool that incorporates a cover-material fixing end member. This tool consists of a tape member, a clip locking member, and a series of stoppers. The clip facilitates adjustable positioning by offering movement between adjacent stoppers, enhancing the versatility of fastening applications.

Career Highlights

Throughout his career, Ryuichi Murasaki has worked with leading companies in the industry, including YKK Corporation and Yoshida Kogyo K.K. His work has focused on developing innovative solutions that streamline fastening processes, resulting in improved efficiency and reliability in various applications.

Collaborations

Murasaki has collaborated with talented individuals like Mitsuru Akeno and Toshiaki Takizawa, who have contributed to his projects and patent developments. These partnerships have fostered a creative environment that encourages innovation and the successful realization of new ideas.

Conclusion

Ryuichi Murasaki's dedication to innovation and his impressive collection of patents underscore his role as a leading figure in fastening technology. His latest inventions not only showcase his technical expertise but also demonstrate the potential for future advancements in the field. As the industry evolves, Murasaki's contributions will undoubtedly continue to influence the development of fastening solutions globally.