Forward Citations = 58

Loading Chart...

7 inventors (with patents filed for the assignee):

Hiroaki Koyama (5 out of 14 patents)

Isao Kimura (4 out of 9 patents)

Koichiro Ohtomo (1 out of 11 patents)

4. Thuyoshi Nakamori (1 out of 1 patent)

5. Sizukuni Yata (1 out of 1 patent)

6. Mituru Sekiya (1 out of 1 patent)

7. Shigeo Shimizu (1 out of 10 patents)

7 patents: Sort by Forward Citations

1. 4316969 - Cured novolak fiber-reinforced, chlorinated rubber molded articles (1982-02-23),

2. 4115364 - Process for producing modified phenolic novolak fibers (1978-09-19),

3. 4021410 - Melt-spun drawn or undrawn flame-resistant and antifusing cured (1977-05-03),

4. 4008304 - Process for producing cured phenolic filaments having improved (1977-02-15),

5. 3996327 - Process for spinning composite fiber of phenolic resin (1976-12-07),

6. 3972959 - Process for preparing phenolic filaments (1976-08-03),

7. 3931386 - Process for producing drawn or undrawn flame-resistant, anti-fusing (1976-01-06),

Company Overview

Nippon Kynol Inc. is a leading manufacturer of specialty chemicals and synthetic fibers. With a history of over 50 years in the industry, the company has established itself as a trusted provider of high-quality products for a wide range of applications. Nippon Kynol is known for its innovation, reliability, and commitment to sustainability, making it a preferred partner for customers around the world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#597 in Osaka

#5,459 in Japan

Osaka, Japan

Nippon Kynol Inc.

Forward Citations = 58

7 inventors:

Hiroaki Koyama (5 out of 14 patents)

Isao Kimura (4 out of 9 patents)

Koichiro Ohtomo (1 out of 11 patents)

4. Thuyoshi Nakamori (1 out of 1 patent)

5. Sizukuni Yata (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Kynol Inc.. Retrieved from https://idiyas.com/company/nippon-kynol

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]