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For the Inventor, By the Inventor

Osaka, Japan

Okada Shigyo Co., Ltd.


USPTO Granted Patents = 2


Forward Citations = 22

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8 inventors (with patents filed for the assignee):

goldMedal Hiroyuki Taketomi (1 out of 4 patents)

silverMedal Shinichi Hirakawa (1 out of 2 patents)

bronzeMedal Hirofumi Okada (1 out of 5 patents)

4.  Hiroshi Sakai (1 out of 1 patent)

5.  Yuji Hashitani (1 out of 1 patent)

6.  Masaru Nakagawa (1 out of 1 patent)

7.  Hideaki Okada (1 out of 1 patent)

8.  Yasuaki Saito (1 out of 1 patent)

9.  Hiroshi Sakai (0 patent)


2 patents:

1. 6964520 - Packaging bag (2005-11-15),
2. 4133736 - Apparatus for determining an oxygen content (1979-01-09),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1,024 in Osaka

#10,962 in Japan

...
Osaka, Japan

Okada Shigyo Co., Ltd.

Forward Citations = 22

8 inventors:

goldMedal Hiroyuki Taketomi (1 out of 4 patents)

silverMedal Shinichi Hirakawa (1 out of 2 patents)

bronzeMedal Hirofumi Okada (1 out of 5 patents)

4.  Hiroshi Sakai (1 out of 1 patent)

5.  Yuji Hashitani (1 out of 1 patent)

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