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For the Inventor, By the Inventor

Tokyo, Japan

Waki Factory Inc.


USPTO Granted Patents = 2


Forward Citations = 5

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5 inventors (with patents filed for the assignee):

goldMedal Tsunehito Wake (2 out of 3 patents)

silverMedal Naoki Shikazono (2 out of 4 patents)

bronzeMedal Shiro Ikuta (2 out of 5 patents)

4.  Koji Matsuoka (1 out of 1 patent)

5.  Isamu Kandori (1 out of 2 patents)

6.  Koji Matsuoka (0 patent)


2 patents:

1. 9163880 - Heat exchanger (2015-10-20),
2. 8266900 - Heat recovery system (2012-09-18),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#4,058 in Tokyo

#10,964 in Japan

...
Tokyo, Japan

Waki Factory Inc.

Forward Citations = 5

5 inventors:

goldMedal Tsunehito Wake (2 out of 3 patents)

silverMedal Naoki Shikazono (2 out of 4 patents)

bronzeMedal Shiro Ikuta (2 out of 5 patents)

4.  Koji Matsuoka (1 out of 1 patent)

5.  Isamu Kandori (1 out of 2 patents)

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