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For the Inventor, By the Inventor

Hyogo, Japan

Daicel Abosisangyo Co.


USPTO Granted Patents = 3

Forward Citations = 14

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4 inventors (with patents filed for the assignee):

goldMedal Yoshio Onisawa (2 out of 5 patents)

silverMedal Kohei Shimizu (2 out of 2 patents)

bronzeMedal Mitsunobu Haga (2 out of 2 patents)

4.  Akihiko Higuchi (1 out of 2 patents)


3 patents:

1. 5989628 - Plastic lenses and method of producing the same (1999-11-23),
2. 5985420 - Plastic lenses and method of producing the same (1999-11-16),
3. 5662881 - Apparatus and method for the production of active magnesium hydroxide (1997-09-02),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#134 in Hyogo

#8,766 in Japan

...
Hyogo, Japan

Daicel Abosisangyo Co.

Forward Citations = 14

4 inventors:

goldMedal Yoshio Onisawa (2 out of 5 patents)

silverMedal Kohei Shimizu (2 out of 2 patents)

bronzeMedal Mitsunobu Haga (2 out of 2 patents)

4.  Akihiko Higuchi (1 out of 2 patents)

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