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For the Inventor, By the Inventor

Ibaraki, Japan

Michikage Matsui

This inventor holds 17 USPTO granted patents, primarily in Advanced Textile Materials. Top assignees: Teijin Limited, Other. Active years: 1979-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michikage Matsui. Retrieved from https://idiyas.com/inventor/michikage-matsui

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 94.1

Average Co-Inventor Count = 2.8

ph-index = 9

Forward Citations = 192(Granted Patents)


Location History:

  • Katano, JP (1995)
  • Ibaraki, JP (1979 - 2004)
  • Osaka, JP (2005)

Company Filing History:

goldMedal16 out of 1,605 
 
Teijin Limited
 patents
silverMedal1 out of 834,601 
Other
 patents

Years Active: 1979-2005

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Areas of Expertise:
Heat-Resistant Fibers
Nonwoven Fabrics
Biodegradable Foams
Polyamide Fiber
Polyester Yarn
Waterproof Fabric
Artificial Leather
Aromatic Polyamide
Textile Manufacturing
Filament Production
Antistatic Fibers
Base Fabric
17 patents (USPTO):Explore Patents
1. 6838401 - Heat-resistant fibrous paper (2005-01-04),
2. 6716776 - Nonwoven fabric made from filaments and artificial leather containing it (2004-04-06),
3. 6521552 - Water vapor-permeable, waterproof fabric (2003-02-18),
4. 6407017 - Wholly aromatic polyamide fiber synthetic paper sheet (2002-06-18),
5. 6319605 - Heat-resistant fiber paper (2001-11-20),
6. 6280843 - Wholly aromatic polyamide fibers, a sheet comprising same and method of producing the sheet (2001-08-28),
7. 6221924 - Biodegradable cellulose acetate foam and process for its production (2001-04-24),
8. 5993944 - Non-impregnated type substrate useful as base fabric for artificial (1999-11-30),
9. 5378538 - Aromatic polyamide flat yarn (1995-01-03),
10. 4670343 - Wholly aromatic polyamide fiber (1987-06-02),
11. 4609710 - Undrawn polyester yarn and process for manufacturing (1986-09-02),
12. 4475330 - High twist polyester multifilament yarn and fabric made therefrom (1984-10-09),
13. 4454196 - Polyester multifilament yarn and a process for manufacturing the same (1984-06-12),
14. 4410473 - Process for manufacturing a polyester multifilament yarn (1983-10-18),
15. 4357390 - Antistatic polyester fibers (1982-11-02),

Title: **Inventor Michikage Matsui: Innovating Heat-Resistant Materials**

Introduction

Michikage Matsui, an esteemed inventor based in Ibaraki, Japan, has made significant contributions to the field of materials science, particularly through his innovative patents. With a total of 17 patents to his name, Matsui is recognized for developing advanced materials that exhibit exceptional properties.

Latest Patents

Among his latest innovations is the development of heat-resistant fibrous paper. This unique sheet is crafted from staple fibers created from a heat-resistant organic polymer and low ratio drawn para-aromatic polyamide staple fibers, combined with an organic resin binder. The formulation allows for a weight composition where staple fibers constitute 45 to 97 percent and the organic resin binder makes up 3 to 55 percent. The curing process of the resin and the softening of the fibers enable the material to achieve outstanding heat resistance, dimensional stability, and electric insulating properties, making it particularly suitable for electric insulating substrates and laminates used in electronic circuits.

Career Highlights

Matsui's career is marked by his association with prominent companies, including Teijin Limited, where he conducted influential research and development. His expertise in polymer science and material engineering has led to innovative solutions in various industrial applications.

Collaborations

Throughout his career, Michikage Matsui has collaborated with fellow researchers such as Makoto Yoshida and Kohichi Iohara. These partnerships have facilitated the sharing of knowledge and have significantly contributed to the advancement of materials technology.

Conclusion

Michikage Matsui stands out as a pioneering inventor in the realm of heat-resistant materials. His contributions, especially through his latest patents, highlight the importance of innovation in creating high-performance materials for modern technological applications. His dedication to research continues to influence the development of cutting-edge solutions in various industries.

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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