Tokyo, Japan

Nippon Pgm Co., Ltd.


USPTO Granted Patents = 2



Forward Citations = 1

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13 inventors (with patents filed for the assignee):

goldMedal Masahiko Ogino (2 out of 2 patents)

silverMedal Nobuyasu Ezawa (2 out of 14 patents)

bronzeMedal Hiroshi Inoue (2 out of 73 patents)

4 Koji Yamada (2 out of 31 patents)

5 Hiroshi Inoue (0 patent)

6 Masahiko Ogino (0 patent)

7 Kenichi Tayama (0 patent)

8 Kazuma Takadate (0 patent)

9 Masahiko Ogino (0 patent)

10 Hiroshi c/o Kosaka Smelt& RefinCo Ltd Inoue (0 patent)

11 Nobuyasu c/o Tanaka Kikinzoku Kogyo KK Ezawa (0 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#4,070 in Tokyo

#10,988 in Japan

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Tokyo, Japan
Forward Citations = 1

13 inventors:

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