2 Patents
#52 in both of
#10,988 in Japan
O & K Company Ltd.
Forward Citations = 18
4 inventors:
4 inventors (with patents filed for the assignee):
Tetsuya Tsukamoto (1 out of 2 patents)
Koji Murakami (1 out of 9 patents)
Hitoshi Ohta (1 out of 2 patents)
4. Keizo Kinoshita (1 out of 1 patent)
2 patents: