% Expired Patents = 100.0

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Yoshikazu Sugiyama (1 out of 8 patents)

Masaaki Yamada (1 out of 65 patents)

1 patent: Sort by Forward Citations

#6,083 in Tokyo

#15,722 in Japan

Tkr Corporation Co., Ltd.

Forward Citations = 0

2 inventors:

Yoshikazu Sugiyama (1 out of 8 patents)

Masaaki Yamada (1 out of 65 patents)

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