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For the Inventor, By the Inventor

Tokyo, Japan

Tmt & D Corporation


USPTO Granted Patents = 3

Forward Citations = 14

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10 inventors (with patents filed for the assignee):

goldMedal Masahiro Yamada (1 out of 103 patents)

silverMedal Hiroyuki Hama (1 out of 59 patents)

bronzeMedal Yoshihiro Ogita (1 out of 6 patents)

4.  Yoshinori Shimizu (1 out of 52 patents)

5.  Kempei Seki (1 out of 7 patents)

6.  Kiyoshi Inami (1 out of 3 patents)

7.  Susumu Katsumata (1 out of 1 patent)

8.  Takuya Ootsuka (1 out of 1 patent)

9.  Hirohide Aoki (1 out of 5 patents)

10.  Kouichi Oosumi (1 out of 1 patent)


3 patents:

1. 6985824 - Frequency measuring device (2006-01-10),
2. 6963793 - Distribution network monitoring and control system (2005-11-08),
3. 6831828 - Gas-insulated switchgear (2004-12-14),
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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#3,543 in Tokyo

#8,922 in Japan

Tokyo, JP
Tokyo, Japan

Tmt & D Corporation

Forward Citations = 14

10 inventors:

goldMedal Masahiro Yamada (1 out of 103 patents)

silverMedal Hiroyuki Hama (1 out of 59 patents)

bronzeMedal Yoshihiro Ogita (1 out of 6 patents)

4.  Yoshinori Shimizu (1 out of 52 patents)

5.  Kempei Seki (1 out of 7 patents)

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