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Japan Exlan Company Limited

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USPTO Granted Patents = 111

% Expired Patents = 6.3

EPO Patents = 7

Forward Citations = 931

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102 inventors (with patents filed for the assignee):

Toshiyuki Kobashi (28 out of 28 patents)

Ryosuke Nishida (13 out of 14 patents)

Hideo Naka (13 out of 13 patents)

4. Masahiko Ozaki (12 out of 12 patents)

5. Koji Tanaka (11 out of 19 patents)

6. Soichiro Kishimoto (8 out of 8 patents)

7. Seiji Takao (8 out of 8 patents)

8. Noriyuki Kohara (7 out of 7 patents)

9. Shigeru Sawanishi (7 out of 7 patents)

10. Hirotaka Shiota (5 out of 6 patents)

11. Yoshihiro Watanabe (4 out of 4 patents)

12. Shiro Kawasaki (4 out of 4 patents)

13. Shigeru Nakajima (4 out of 5 patents)

14. Takahisa Kida (4 out of 4 patents)

15. Yasuo Matsumura (4 out of 4 patents)

Core Competencies:

Moisture-absorbing Fiber

Flame-retardant Polymer

High-strength Fiber

Acrylic Fibers

Acrylonitrile Polymer

Gas Absorptive Fiber

Thermostable Polymer

Water-swellable Fiber

Hygroscopic Fiber

Ultrafine Particles

Carbon Fibers

Optical Communication Cable

111 patents: Sort by Forward Citations

1. 9254345 - Moisture-absorbing and deodorizing fiber, method for manufacturing the same, and fiber structure containing the same (2016-02-09),

2. 9040631 - Padding (2015-05-26),

3. 8183324 - Antistatic acrylic fiber and a method for manufacturing the same (2012-05-22),

4. 7998312 - Moisture absorptive and desorptive paper and a method for manufacturing the same (2011-08-16),

5. 7704305 - Heat exchange module of a sorptive type and a method for the manufacture thereof (2010-04-27),

6. 7696283 - Fiber and a fiber structure having a high flame-retarding property and high moisture-absorptive property (2010-04-13),

7. 7537823 - High-whiteness hygroscopic fiber (2009-05-26),

8. 7468414 - Moisture absorptive and desorptive ultrafine particles and a product using said ultrafine particles (2008-12-23),

9. 7309725 - Fiber base material for wet friction material (2007-12-18),

10. 7273501 - Fiber structure having high whiteness and high moisture-absorbing and releasing property, and method for production thereof (2007-09-25),

11. 7071130 - Laminated material of segregating membrane and segregating membrane supporting material, and its method of manufacture (2006-07-04),

12. 6613828 - Antibacterial acrylonitrile fiber having photocatalytic activity (2003-09-02),

13. 6541587 - Saccharide-derived monomer, method for manufacturing the same and highly-dielectric polymer consisting of the said monomer (2003-04-01),

14. 6429265 - Moisture-absorbing and desorbing polymer and compositions derived therefrom (2002-08-06),

15. 6150455 - Thermostable polymer electrolyte gel (2000-11-21),

Company Overview

Japan Exlan Company Limited, headquartered in Osaka, specializes in advanced acrylic fiber technology. The company focuses on the development and manufacturing of innovative fibers, including moisture-absorbing and flame-retardant polymers. Their expertise extends to high-strength and gas absorptive fibers, as well as thermostable and water-swellable polymers. Japan Exlan is committed to enhancing the performance and functionality of acrylic fibers, catering to diverse applications across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

111 Patents

#114 in Osaka

#1,055 in Japan

#7,114 in the World

Japan Exlan Company Limited

Forward Citations = 931

102 inventors:

Toshiyuki Kobashi (28 out of 28 patents)

Ryosuke Nishida (13 out of 14 patents)

Hideo Naka (13 out of 13 patents)

4. Masahiko Ozaki (12 out of 12 patents)

5. Koji Tanaka (11 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Exlan Company Limited. Retrieved from https://idiyas.com/company/japan-exlan-company

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

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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