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For the Inventor, By the Inventor

Tokyo, Japan

Nittobo Medical Co., Ltd.


USPTO Granted Patents = 2



Forward Citations = 12

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3 inventors (with patents filed for the assignee):

goldMedal Katsuya Togawa (2 out of 7 patents)

silverMedal Hironobu Isogawa (2 out of 10 patents)

bronzeMedal Ryusuke Okamoto (1 out of 19 patents)

4.  Hironobu c/o Sekisui Chemical Co Ltd Isogawa (0 patent)


2 patents:

1. 7993847 - Plasma or serum separation membrane and filter apparatus including the plasma or serum separation membrane (2011-08-09),
2. 7767466 - Sample filtering method using sample collecting container, jig and sample collecting container (2010-08-03),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#4,062 in Tokyo

#10,962 in Japan

...
Tokyo, Japan

Nittobo Medical Co., Ltd.

Forward Citations = 12

3 inventors:

goldMedal Katsuya Togawa (2 out of 7 patents)

silverMedal Hironobu Isogawa (2 out of 10 patents)

bronzeMedal Ryusuke Okamoto (1 out of 19 patents)

4.  Hironobu c/o Sekisui Chemical Co Ltd Isogawa (0 patent)

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