Tokyo, Japan

Happy World Inc.


USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 11

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10 inventors (with patents filed for the assignee):

goldMedal Hideo Hasegawa (1 out of 40 patents)

silverMedal Jong Hwan Sung (1 out of 3 patents)

bronzeMedal Masamori Uchiyama (1 out of 1 patent)

4 Satoshi Matsumiya (1 out of 1 patent)

5 Jae Doo Huh (1 out of 1 patent)

6 Jong Hwan Sung (1 out of 1 patent)

7 Jae Doo Huh (1 out of 1 patent)

8 Uchiyama Masamori (1 out of 1 patent)

9 Matsumiya Satoshi (1 out of 1 patent)

10 Hasegawa Hideo (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#4,058 in Tokyo

#10,966 in Japan

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Tokyo, Japan
Forward Citations = 11

10 inventors:

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