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For the Inventor, By the Inventor

Kanagawa, Japan

Ryubi Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 13

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2 inventors (with patents filed for the assignee):

goldMedal Fumihiro Goto (1 out of 87 patents)

silverMedal Fumihiro Gotoh (1 out of 59 patents)


2 patents:

1. 6349730 - Food washing apparatus (2002-02-26),
2. 6123841 - Waste-water filtration and purification device for fish cultivation (2000-09-26),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#399 in Kanagawa

#11,121 in Japan

Kanagawa, JP
Kanagawa, Japan

Ryubi Co., Ltd.

Forward Citations = 13

2 inventors:

goldMedal Fumihiro Goto (1 out of 87 patents)

silverMedal Fumihiro Gotoh (1 out of 59 patents)

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