% Expired Patents = 100.0

Forward Citations = 1

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3 inventors (with patents filed for the assignee):

Hiroyuki Hirakawa (1 out of 31 patents)

Nobuyoshi Koshida (1 out of 20 patents)

Tadashi Iwamatsu (1 out of 68 patents)

1 patent: Sort by Forward Citations

#6,083 in Tokyo

#15,722 in Japan

Nobuyoshi Koshida

Forward Citations = 1

3 inventors:

Hiroyuki Hirakawa (1 out of 31 patents)

Nobuyoshi Koshida (1 out of 20 patents)

Tadashi Iwamatsu (1 out of 68 patents)

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