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Tohoku Metal Industries

USPTO Granted Patents = 20

Forward Citations = 203

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34 inventors (with patents filed for the assignee):

Hisao Nishino (4 out of 5 patents)

Yoshiro Sato (2 out of 16 patents)

Tadashi Yamaguchi (2 out of 20 patents)

4. Takayuki Ono (2 out of 4 patents)

5. Hiroshi Shimizu (2 out of 6 patents)

6. Mitsuhiro Kimura (2 out of 4 patents)

7. Hiroshi Watanabe (2 out of 2 patents)

8. Tetsuro Baba (2 out of 2 patents)

9. Shigeru Kondo (2 out of 2 patents)

10. Toshihiko Yokoyama (2 out of 2 patents)

11. Michitoshi Hirata (2 out of 2 patents)

12. Kiyoshi Yamauchi (1 out of 17 patents)

13. Akira Matsunaga (1 out of 3 patents)

14. Michio Nemoto (1 out of 3 patents)

15. Jun-ichi Nishizawa (1 out of 121 patents)

20 patents: Sort by Forward Citations

1. 4764698 - A.C. electric motors having a stator forming orthogonal magnetic paths (1988-08-16),

2. 4707196 - Ti-Ni alloy articles having a property of reversible shape memory and a (1987-11-17),

3. 4537645 - Magnetically traceable explosives with stability and a method for the (1985-08-27),

4. 4516101 - Air-flow-rate sensors (1985-05-07),

5. 4481431 - Circuit for driving a switching transistor (1984-11-06),

6. 4455179 - Method for the preparation of magnetically traceable explosives (1984-06-19),

7. 4449173 - Multi-output-type power supply devices using separately-exciting-type (1984-05-15),

8. 4420804 - Switching regulator with base charge removal circuit (1983-12-13),

9. 4419628 - Transient-noise simulators (1983-12-06),

10. 4417207 - Circuit for injecting simulating-noise signals in a power line (1983-11-22),

11. 4396895 - Multiple resonant electromechanical filters using edge-mode vibration of (1983-08-02),

12. 4389628 - Thermo-magnetically operated switches having two different operating (1983-06-21),

13. 4363678 - Explosives having powdered ferrite magnet as a tracer dispersed (1982-12-14),

14. 4356421 - Piezoelectric resonators of an energy-trapping type of a width (1982-10-26),

15. 4325042 - Thermo-magnetically operated switches having two different operating (1982-04-13),

Tohoku Metal Industries is a leading manufacturer of metal products in Japan. With over 50 years of experience, we specialize in the production of high-quality steel, aluminum, and copper components for various industries including automotive, construction, and electronics. Our commitment to innovation and precision machining techniques sets us apart from the competition, allowing us to deliver customized solutions that meet the unique needs of our customers.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

20 Patents

#6 in Sendai

#2,886 in Japan

#30,364 in the World

Tohoku Metal Industries

Forward Citations = 203

34 inventors:

Hisao Nishino (4 out of 5 patents)

Yoshiro Sato (2 out of 16 patents)

Tadashi Yamaguchi (2 out of 20 patents)

4. Takayuki Ono (2 out of 4 patents)

5. Hiroshi Shimizu (2 out of 6 patents)

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