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For the Inventor, By the Inventor

Tokyo, Japan

501 Mitsubishi Petrochemical Company, Ltd.


USPTO Granted Patents = 1

Forward Citations = 16

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4 inventors (with patents filed for the assignee):

goldMedal Yasuyuki Sakakura (1 out of 11 patents)

silverMedal Takeshi Shibano (1 out of 17 patents)

bronzeMedal Kiichi Ito (1 out of 6 patents)

4.  Kazuhiko Higuchi (1 out of 1 patent)


1 patent:

1. 4625059 - Process for purification of 1,2-unsaturated carboxylic acids and/or (1986-11-25),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#5,735 in Tokyo

#15,539 in Japan

...
Tokyo, Japan

501 Mitsubishi Petrochemical Company, Ltd.

Forward Citations = 16

4 inventors:

goldMedal Yasuyuki Sakakura (1 out of 11 patents)

silverMedal Takeshi Shibano (1 out of 17 patents)

bronzeMedal Kiichi Ito (1 out of 6 patents)

4.  Kazuhiko Higuchi (1 out of 1 patent)

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