For the Inventor, By the Inventor

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Nippon Gasket Company, Ltd.

USPTO Granted Patents = 50

EPO Patents = 5

Forward Citations = 488

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50 inventors (with patents filed for the assignee):

Kunitoshi Inoue (17 out of 17 patents)

Kenji Kubouchi (13 out of 14 patents)

Hiroshi Uemura (12 out of 38 patents)

4. Kazuya Yoshijima (9 out of 30 patents)

5. Masahiko Miura (9 out of 9 patents)

6. Shigeru Kawaguchi (7 out of 8 patents)

7. Yutaka Furuta (6 out of 6 patents)

8. Tomoyoshi Ogaeri (5 out of 5 patents)

9. Kiyoshi Sugimoto (5 out of 8 patents)

10. Kazukuni Takada (5 out of 5 patents)

11. Yoshikazu Shinpo (4 out of 30 patents)

12. Yuji Fukui (4 out of 4 patents)

13. Naoki Ii (4 out of 4 patents)

14. Kenji Ishida (4 out of 4 patents)

15. Kazuya Nakata (4 out of 9 patents)

Core Competencies:

Cylinder Head Gasket

Metal Gasket

Resin Rotating Body

Laminated Gasket

Multi-Layer Metal Gasket

Exhaust Manifold Gasket

Gasket-Squeeze Construction

Metallic Gasket Manufacturing

50 patents: Sort by Forward Citations

1. 9291121 - Cylinder head gasket (2016-03-22),

2. 9279491 - Resin gear, and method and apparatus for producing the same (2016-03-08),

3. 9239112 - Metal gasket (2016-01-19),

4. 9162379 - Resin rotating body and manufacturing method for resin rotating body (2015-10-20),

5. 8960681 - Cylinder head gasket (2015-02-24),

6. 8814172 - Cylinder head gasket (2014-08-26),

7. 8714564 - Cylinder head gasket (2014-05-06),

8. 8608178 - Cylinder head gasket (2013-12-17),

9. 8123230 - Cylinder head gasket (2012-02-28),

10. 8117835 - Gasket (2012-02-21),

11. 6702297 - Metal gasket for use in engine with chain case (2004-03-09),

12. 6575473 - Metallic gasket (2003-06-10),

13. 6502830 - Metallic gasket (2003-01-07),

14. 6502829 - Gasket-squeeze construction (2003-01-07),

15. 6478307 - Metal gasket (2002-11-12),

Nippon Gasket Company, Ltd. is a leading manufacturer and supplier of high-quality gaskets for a wide range of industries. With over 50 years of experience, we have established a strong reputation for delivering innovative solutions and reliable products. Our gaskets are designed to meet the highest quality standards and are used in automotive, industrial, and construction applications. Nippon Gasket Company is committed to providing excellent customer service and building long-term partnerships with our clients.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

50 Patents

#160 in Osaka

#1,673 in Japan

#13,579 in the World

Nippon Gasket Company, Ltd.

Forward Citations = 488

50 inventors:

Kunitoshi Inoue (17 out of 17 patents)

Kenji Kubouchi (13 out of 14 patents)

Hiroshi Uemura (12 out of 38 patents)

4. Kazuya Yoshijima (9 out of 30 patents)

5. Masahiko Miura (9 out of 9 patents)

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