For the Inventor, By the Inventor

Enter assignee name

Nippon Petrochemicals Company, Limited

USPTO Granted Patents = 327

CIPO Patents = 7

Trademarks = 2

Forward Citations = 3,814

Loading Chart...

Loading Chart...

362 inventors (with patents filed for the assignee):

Atsushi Sato (56 out of 111 patents)

Isoo Shimizu (46 out of 46 patents)

Shigenobu Kawakami (39 out of 39 patents)

4. Yasuo Matsumura (36 out of 123 patents)

5. Keiji Endo (33 out of 36 patents)

6. Kazuhiko Kurihara (30 out of 45 patents)

7. Hideyuki Dohi (27 out of 28 patents)

8. Hiroshi Yazawa (25 out of 34 patents)

9. Yuichi Orikasa (22 out of 24 patents)

10. Suehiro Sakazume (17 out of 17 patents)

11. Kintaro Aihara (15 out of 15 patents)

12. Shozo Hayashi (13 out of 15 patents)

13. Takashi Inoue (13 out of 59 patents)

14. Hitoshi Yanagishita (12 out of 12 patents)

15. Eiichi Matsuzaka (11 out of 11 patents)

Core Competencies:

Polyalkylbiphenyls

Hydrocarbon Resin

Bicyclic Conjugated Diene Polymer

Phenolic Resin

Epoxy Resin

Thermotropic Liquid Crystalline Copolyester

Squalane

Ethylene-Olefin Copolymer

Nonwoven Fabric

High-Strength Yarns

Adhesive Tape

Web Lamination

327 patents: Sort by Forward Citations

1. 7205445 - Method of continuous production of polyalkylbiphenyls (2007-04-17),

2. 7126037 - Butene oligomer derivatives having terminal 1,4-butanediol functional groups (2006-10-24),

3. 7060779 - Processes for producing hydrocarbon/phenol resin and producing epoxy resin (2006-06-13),

4. 7034095 - Bicyclic conjugated diene polymer and bicyclic conjugated diene copolymer (2006-04-25),

5. 7022887 - Method for preparing diarylalkanes (2006-04-04),

6. 6984350 - Method of and apparatus for manufacturing a web having filaments aligned in a transverse direction (2006-01-10),

7. 6973702 - Web expander (2005-12-13),

8. 6877971 - Apparatus for producing a transversely aligned web in which filaments spun at high rate are aligned in the transverse direction (2005-04-12),

9. 6586362 - Hydrocarbon solvent and pressure-sensitive copying material made with the same (2003-07-01),

10. 6512152 - Tetracyclododecene compositions and process for producing the same (2003-01-28),

11. 6476284 - Method of dehalogenating hydrocarbon containing carbon-carbon double bond (2002-11-05),

12. 6465703 - Process for the continuous preparation of tetracyclododecens (2002-10-15),

13. 6462151 - Method of removing and recovering boron trifluoride with metal fluoride and process for polyolefin production using the same (2002-10-08),

14. 6451879 - Phenolic resin, epoxy resin, and processes for producing these (2002-09-17),

15. 6441259 - Process for the continuous preparation of tetracyclododecens (2002-08-27),

Nippon Petrochemicals Company, Limited is a leading global chemical manufacturing corporation. With a diverse range of products including petrochemicals, plastics, synthetic fibers, and fine chemicals, we strive to create innovative solutions that contribute to the advancement of various industries. Our commitment to sustainable practices and constant technological advancements enables us to consistently meet the evolving needs of our customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

327 Patents

#228 in Tokyo

#491 in Japan

#2,679 in the World

Nippon Petrochemicals Company, Limited

Forward Citations = 3,814

362 inventors:

Atsushi Sato (56 out of 111 patents)

Isoo Shimizu (46 out of 46 patents)

Shigenobu Kawakami (39 out of 39 patents)

4. Yasuo Matsumura (36 out of 123 patents)

5. Keiji Endo (33 out of 36 patents)

Please report any incorrect information to support@idiyas.com

Loading…