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For the Inventor, By the Inventor

Tokyo, Japan

Key Coffee Inc.


USPTO Granted Patents = 2

Trademarks = 6

Forward Citations = 9

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8 inventors (with patents filed for the assignee):

goldMedal You Yamamori (1 out of 6 patents)

silverMedal Hiromitsu Ueda (1 out of 1 patent)

bronzeMedal Masahiro Takenaka (1 out of 2 patents)

4.  Kazuo Kawamata (1 out of 2 patents)

5.  Takeshi Sou (1 out of 1 patent)

6.  Syouzo Fujii (1 out of 1 patent)

7.  Keiji Ohta (1 out of 1 patent)

8.  Kaichi Suzuki (1 out of 3 patents)


2 patents:

1. 9227771 - Opener cap (2016-01-05),
2. 7128934 - Drink-extracting bag equipped with holding element (2006-10-31),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#4,062 in Tokyo

#10,962 in Japan

...
Tokyo, Japan

Key Coffee Inc.

Forward Citations = 9

8 inventors:

goldMedal You Yamamori (1 out of 6 patents)

silverMedal Hiromitsu Ueda (1 out of 1 patent)

bronzeMedal Masahiro Takenaka (1 out of 2 patents)

4.  Kazuo Kawamata (1 out of 2 patents)

5.  Takeshi Sou (1 out of 1 patent)

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