For the Inventor, By the Inventor

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Yamada Corporation

USPTO Granted Patents = 17

EPO Patents = 3

Trademarks = 1

Forward Citations = 88

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14 inventors (with patents filed for the assignee):

Kotaro Yamada (8 out of 9 patents)

Satoru Suwabe (5 out of 6 patents)

Shigeru Murata (3 out of 11 patents)

4. Nobuyuki Araki (2 out of 12 patents)

5. Daisuke Iwai (1 out of 6 patents)

6. Minoru Murata (1 out of 7 patents)

7. Kazumasa Yamada (1 out of 9 patents)

8. Kikuo Ito (1 out of 1 patent)

9. Gerard Heikens (1 out of 1 patent)

10. Itsushi Nagamoto (1 out of 22 patents)

11. Tetsuya Tsunoda (1 out of 1 patent)

12. Toyoo Yamada (1 out of 1 patent)

13. Yamada Kotaro (0 patent)

14. Suwabe Satoru (0 patent)

17 patents: Sort by Forward Citations

1. D1055109 - Diaphragm pump (2024-12-24),

2. 11608821 - Ball non-return valve and diaphragm pump (2023-03-21),

3. 11448204 - Diaphragm pump with valve switching device (2022-09-20),

4. D952692 - Diaphragm pump (2022-05-24),

5. D861043 - Diaphragm pump (2019-09-24),

6. D781924 - Diaphragm pump (2017-03-21),

7. D781923 - Diaphragm pump (2017-03-21),

8. D781922 - Diaphragm pump (2017-03-21),

9. 8469680 - Valve body for pumps (2013-06-25),

10. 7497670 - Dual diaphragm transfer pump (2009-03-03),

11. 6742997 - Diaphragm-type pumping apparatus (2004-06-01),

12. 6644940 - Restarting device for a fluid operated double diaphragm piston pump (2003-11-11),

13. 6422430 - Pressure pump for high viscosity fluid (2002-07-23),

14. 6129521 - Safety valve apparatus for air pressure operable diaphragm pump (2000-10-10),

15. 6102274 - Method for manufacturing golf club heads (2000-08-15),

Yamada Corporation is a leading provider of innovative solutions in the technology industry. With a strong focus on research and development, we strive to deliver cutting-edge products and services to our clients worldwide. Our company values include integrity, excellence, and customer satisfaction. Visit our website to learn more about our offerings and how we can help meet your business needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

17 Patents

#133 in

#3,157 in Japan

#34,819 in the World

Yamada Corporation

Forward Citations = 88

14 inventors:

Kotaro Yamada (8 out of 9 patents)

Satoru Suwabe (5 out of 6 patents)

Shigeru Murata (3 out of 11 patents)

4. Nobuyuki Araki (2 out of 12 patents)

5. Daisuke Iwai (1 out of 6 patents)

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