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Toyo Denki Seizo Kabushiki Kaisha

USPTO Granted Patents = 21

CIPO Patents = 1

EPO Patents = 2

Forward Citations = 275

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31 inventors (with patents filed for the assignee):

Kimihiro Muraoka (8 out of 9 patents)

Takashige Tamamushi (6 out of 7 patents)

Naohiro Shimizu (3 out of 14 patents)

4. Katsuji Iida (3 out of 3 patents)

5. Yoshinobu Ohtsubo (3 out of 3 patents)

6. Makoto Iguchi (2 out of 7 patents)

7. Toshio Higuchi (2 out of 2 patents)

8. Fujio Ishikawa (2 out of 2 patents)

9. Masakazu Kohata (2 out of 2 patents)

10. Ichiro Miyashita (2 out of 2 patents)

11. Hodaka Seto (1 out of 1 patent)

12. Yoshihiro Okamoto (1 out of 11 patents)

13. Yuta Funaki (1 out of 1 patent)

14. Satoshi Hayashi (1 out of 19 patents)

15. Yoshihiko Otsuka (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 11313766 - Pedestal for chassis dynamometer (2022-04-26),

2. 11215533 - Load motor for chassis dynamometer apparatus (2022-01-04),

3. 10036464 - Railway vehicle gear device of parallel cardan drive system (2018-07-31),

4. 6891300 - Rotor of induction starting synchronous motor (2005-05-10),

5. 5682044 - Reverse conducting thyristor with a planar-gate, buried-gate, or (1997-10-28),

6. 5665987 - Insulated gate static induction thyristor with a split gate type shorted (1997-09-09),

7. 5545905 - Static induction semiconductor device with a static induction schottky (1996-08-13),

8. 5461242 - Insulated gate static induction thyristor with a split gate type shorted (1995-10-24),

9. 5418376 - Static induction semiconductor device with a distributed main electrode (1995-05-23),

10. 5324966 - MOS-controlled thyristor (1994-06-28),

11. 5077487 - Driver circuit for a large capacity switching element (1991-12-31),

12. 5059887 - Step-up and step-down chopper device (1991-10-22),

13. 4984049 - Static induction thyristor (1991-01-08),

14. 4745997 - Offset detecting device for trolley-assisted vehicles (1988-05-24),

15. 4654679 - Static induction thyristor with stepped-doping gate region (1987-03-31),

Toyo Denki Seizo Kabushiki Kaisha is a Japanese company that specializes in the design and manufacturing of electric motors, generators, and other power transmission equipment. With a history dating back to 1935, Toyo Denki has established itself as a leading supplier of high-quality products for various industries, including automotive, industrial machinery, and renewable energy. The company is known for its commitment to innovation, reliability, and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

21 Patents

#1,137 in Tokyo

#2,801 in Japan

#29,088 in the World

Toyo Denki Seizo Kabushiki Kaisha

Forward Citations = 275

31 inventors:

Kimihiro Muraoka (8 out of 9 patents)

Takashige Tamamushi (6 out of 7 patents)

Naohiro Shimizu (3 out of 14 patents)

4. Katsuji Iida (3 out of 3 patents)

5. Yoshinobu Ohtsubo (3 out of 3 patents)

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