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For the Inventor, By the Inventor

Osaka, Japan

Tanah Process, Ltd.


USPTO Granted Patents = 2

% Expired Patents = 50.0


Forward Citations = 0

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6 inventors (with patents filed for the assignee):

goldMedal Masakazu Tanahashi (2 out of 47 patents)

silverMedal Masato Fujiwara (1 out of 22 patents)

bronzeMedal Rongfu Lu (1 out of 2 patents)

4.  Junichi Watanabe (1 out of 3 patents)

5.  Seiji Tanahashi (1 out of 1 patent)

6.  Takanori Nakano (1 out of 16 patents)

7.  Masakazu c/o Tanah Process Ltd Tanahashi (0 patent)

8.  Seiji c/o Tanah Process Ltd Tanahashi (0 patent)


2 patents:

1. 10131555 - Method and apparatus for controlling concentration of free chlorine, and sterilization method and sterilization apparatus each utilizing said method and said apparatus (2018-11-20),
2. 8529737 - Portable device for regulating hardness of drinking water (2013-09-10),
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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#1,147 in Osaka

#11,124 in Japan

Osaka, JP
Osaka, Japan

Tanah Process, Ltd.

Forward Citations = 0

6 inventors:

goldMedal Masakazu Tanahashi (2 out of 47 patents)

silverMedal Masato Fujiwara (1 out of 22 patents)

bronzeMedal Rongfu Lu (1 out of 2 patents)

4.  Junichi Watanabe (1 out of 3 patents)

5.  Seiji Tanahashi (1 out of 1 patent)

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