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Japan Metal Gasket Co., Ltd.

USPTO Granted Patents = 17

EPO Patents = 2

Forward Citations = 172

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7 inventors (with patents filed for the assignee):

Kosaku Ueta (16 out of 22 patents)

Hideo Watanabe (5 out of 217 patents)

Hiroyuki Matsumoto (1 out of 201 patents)

4. Takuma Kameyama (1 out of 4 patents)

5. Takanobu Suzuki (1 out of 2 patents)

6. Nobuhide Kobayashi (1 out of 1 patent)

7. Jun Okano (1 out of 1 patent)

8. Hideo Japan Metal Gasket Co Ltd Watanabe (0 patent)

9. Kosaku Japan Metal Gasket Co Ltd Ueta (0 patent)

17 patents: Sort by Forward Citations

1. 8567790 - Sealing structure using metal gasket (2013-10-29),

2. 8459657 - Metallic gasket (2013-06-11),

3. 8240678 - Connecting structure of metal plates (2012-08-14),

4. 7909337 - Gasket (2011-03-22),

5. 7815197 - Gasket (2010-10-19),

6. 7431306 - Metallic gasket (2008-10-07),

7. 7073795 - Metallic gasket (2006-07-11),

8. 7025358 - Metallic gasket (2006-04-11),

9. 7011313 - Metal gasket (2006-03-14),

10. 6827352 - Metal gasket (2004-12-07),

11. 6115905 - Method for connecting laminated metal plates and press mold (2000-09-12),

12. 5951021 - Metallic gasket (1999-09-14),

13. 5713580 - Metallic gasket (1998-02-03),

14. 5618049 - Metallic gasket (1997-04-08),

15. 5580065 - Metallic gasket with inwardly projecting folded end portion (1996-12-03),

Japan Metal Gasket Co., Ltd. is a leading manufacturer of high-quality gaskets for various industries including automotive, marine, and industrial applications. With over 50 years of experience, the company is known for its innovative solutions and commitment to quality. Their products are designed to meet the highest standards of performance and durability, making them a trusted choice for customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

17 Patents

#54 in Saitama 343-0827

#3,160 in Japan

#34,831 in the World

Japan Metal Gasket Co., Ltd.

Forward Citations = 172

7 inventors:

Kosaku Ueta (16 out of 22 patents)

Hideo Watanabe (5 out of 217 patents)

Hiroyuki Matsumoto (1 out of 201 patents)

4. Takuma Kameyama (1 out of 4 patents)

5. Takanobu Suzuki (1 out of 2 patents)

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