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For the Inventor, By the Inventor

Tokyo, Japan

Nishiei Bussan Co., Ltd.


USPTO Granted Patents = 1

Forward Citations = 16

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2 inventors (with patents filed for the assignee):

goldMedal Toshie Tanaka (1 out of 6 patents)

silverMedal Mitsuru Iwamoto (1 out of 1 patent)


1 patent:

1. 3954294 - Plastic sealing device (1976-05-04),
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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#5,734 in Tokyo

#15,549 in Japan

...
Tokyo, Japan

Nishiei Bussan Co., Ltd.

Forward Citations = 16

2 inventors:

goldMedal Toshie Tanaka (1 out of 6 patents)

silverMedal Mitsuru Iwamoto (1 out of 1 patent)

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