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Nippon Keiki Works, Ltd.

USPTO Granted Patents = 3

Forward Citations = 48

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8 inventors (with patents filed for the assignee):

Satoshi Nakamura (2 out of 68 patents)

Hiroyuki Igawa (1 out of 8 patents)

Katsumi Sato (1 out of 25 patents)

4. Mikihiro Terashima (1 out of 1 patent)

5. Yoshihiro Egawa (1 out of 1 patent)

6. Teruo Simizu (1 out of 1 patent)

7. Reizo Naruse (1 out of 1 patent)

8. Kunihiko Maruyama (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6210118 - Thin motor-driven centrifugal blowing fan apparatus (2001-04-03),

2. 4983876 - Piezoelectric pump assembly (1991-01-08),

3. 4603271 - Fan motor (1986-07-29),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#3,268 in Tokyo

#8,776 in Japan

Nippon Keiki Works, Ltd.

Forward Citations = 48

8 inventors:

Satoshi Nakamura (2 out of 68 patents)

Hiroyuki Igawa (1 out of 8 patents)

Katsumi Sato (1 out of 25 patents)

4. Mikihiro Terashima (1 out of 1 patent)

5. Yoshihiro Egawa (1 out of 1 patent)

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