Forward Citations = 46

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12 inventors (with patents filed for the assignee):

Tokio Sugi (3 out of 9 patents)

Yasushi Watanabe (1 out of 24 patents)

Naoya Hayamizu (1 out of 31 patents)

4. Hideaki Hirabayashi (1 out of 24 patents)

5. Tomoyuki Okumura (1 out of 3 patents)

6. Yasuo Mori (1 out of 106 patents)

7. Kaname Hoshi (1 out of 1 patent)

8. Chikara Kanda (1 out of 1 patent)

9. Hiroshi Fujita (1 out of 17 patents)

10. Tadao Sasaki (1 out of 15 patents)

11. Keiichiro Senda (1 out of 1 patent)

12. Yugi Takahashi (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 8356627 - Three-valves manifold for differential pressure type flow meter (2013-01-22),

2. 7299150 - Ultrasonic flow meter (2007-11-20),

3. 7219559 - Flow meter using digital signals (2007-05-22),

4. 6230738 - Flow rate control valve and flow rate control system (2001-05-15),

5. 4928524 - Method and apparatus for measuring flow rate of a gas containing (1990-05-29),

Tokyo Keiso Co., Ltd. is a leading provider of industrial measurement and control instruments based in Tokyo, Japan. With over 70 years of experience, the company offers a wide range of products including flow meters, level meters, pressure transmitters, and gas analyzers. Tokyo Keiso is committed to delivering high-quality solutions to industries such as oil and gas, chemicals, and manufacturing.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

5 Patents

#2,445 in Tokyo

#6,491 in Japan

Tokyo, Japan

Tokyo Keiso Co., Ltd.