IDiyas

For the Inventor, By the Inventor

Sendai, Japan

Zaidan Hojin Handotai Kenkyu Sinkokai


USPTO Granted Patents = 3

Forward Citations = 24

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12 inventors (with patents filed for the assignee):

goldMedal Takashige Tamamushi (3 out of 30 patents)

silverMedal Jun-ichi Nishizawa (2 out of 121 patents)

bronzeMedal Kiyoo Mitsui (2 out of 2 patents)

4.  Koichi Mitamura (2 out of 3 patents)

5.  Koji Ishibashi (1 out of 1 patent)

6.  Kiyoshi Wagatsuma (1 out of 1 patent)

7.  Toyota Wako (1 out of 1 patent)

8.  Mitsuo Ikehara (1 out of 1 patent)

9.  Hiroo Takahashi (1 out of 1 patent)

10.  Sinpei Maruyama (1 out of 1 patent)

11.  Junichi Nishizawa (1 out of 48 patents)

12.  Kimio Miura (1 out of 1 patent)


3 patents:

1. 5021936 - PWM power converter using mixed bipolar and static induction transistors (1991-06-04),
2. 4956599 - Power control apparatus (1990-09-11),
3. 4719551 - Optically controlled power converting apparatus (1988-01-12),
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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#13 in Sendai

#8,780 in Japan

...
Sendai, Japan

Zaidan Hojin Handotai Kenkyu Sinkokai

Forward Citations = 24

12 inventors:

goldMedal Takashige Tamamushi (3 out of 30 patents)

silverMedal Jun-ichi Nishizawa (2 out of 121 patents)

bronzeMedal Kiyoo Mitsui (2 out of 2 patents)

4.  Koichi Mitamura (2 out of 3 patents)

5.  Koji Ishibashi (1 out of 1 patent)

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