For the Inventor, By the Inventor

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I-design Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 50

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5 inventors (with patents filed for the assignee):

Katsuya Togawa (1 out of 7 patents)

Hironobu Isogawa (1 out of 10 patents)

Katsutoshi Hamada (1 out of 4 patents)

4. Yasuyuki Nakamura (1 out of 1 patent)

5. Tetsushi Ishimito (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 7767466 - Sample filtering method using sample collecting container, jig and sample collecting container (2010-08-03),

2. 6506167 - Blood-collecting tubes (2003-01-14),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1,026 in Osaka

#10,989 in Japan

I-design Co., Ltd.

Forward Citations = 50

5 inventors:

Katsuya Togawa (1 out of 7 patents)

Hironobu Isogawa (1 out of 10 patents)

Katsutoshi Hamada (1 out of 4 patents)

4. Yasuyuki Nakamura (1 out of 1 patent)

5. Tetsushi Ishimito (1 out of 1 patent)

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