Tokyo, Japan

Sound Fun Corporation


USPTO Granted Patents = 4



Trademarks = 3

Forward Citations = 2

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8 inventors (with patents filed for the assignee):

goldMedal Hiroshi Tanaka (2 out of 180 patents)

silverMedal Kazunori Sato (2 out of 25 patents)

bronzeMedal Nobuhiro Miyahara (2 out of 3 patents)

4 Masahiro Suzuki (2 out of 72 patents)

5 Kentaro Matsuoka (1 out of 1 patent)

6 Yoshio Sakamoto (1 out of 1 patent)

7 Yuichiro Tani (1 out of 1 patent)

8 Yu Matsuda (1 out of 1 patent)

9 Hiroshi Tanaka (0 patent)

10 Masahiro Suzuki (0 patent)

11 Tanaka Hiroshi (0 patent)

12 Suzuki Masahiro (0 patent)


4 patents:

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USPTO Data Jan 1 1976 - Sep 15 2026

4 Patents

#3,056 in Tokyo

#7,592 in Japan

Tokyo, JP
Tokyo, Japan
Forward Citations = 2

8 inventors:

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