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For the Inventor, By the Inventor

Tokyo, Japan

Sumida Technologies Inc.


USPTO Granted Patents = 3


Forward Citations = 20

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2 inventors (with patents filed for the assignee):

goldMedal Tadayuki Fushimi (2 out of 13 patents)

silverMedal Juichi Ooki (1 out of 3 patents)

bronzeMedal Juichi c/o Sumida Technologies Incorporated Ooki (0 patent)


3 patents:

1. 7183886 - Inductance device (2007-02-27),
2. 6933821 - Leakage transformer (2005-08-23),
3. 6919693 - High-voltage transformer and discharge lamp driving apparatus (2005-07-19),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#3,263 in Tokyo

#8,771 in Japan

...
Tokyo, Japan

Sumida Technologies Inc.

Forward Citations = 20

2 inventors:

goldMedal Tadayuki Fushimi (2 out of 13 patents)

silverMedal Juichi Ooki (1 out of 3 patents)

bronzeMedal Juichi c/o Sumida Technologies Incorporated Ooki (0 patent)

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