3 Patents
#455 in
#8,780 in Japan
Yokoyama Sankoh Co., Ltd.
Forward Citations = 70
3 inventors:
3 inventors (with patents filed for the assignee):
Yoshimasa Yokoyama (2 out of 10 patents)
Masahiro Yamamoto (1 out of 72 patents)
Yokoyama Yoshimasa (1 out of 1 patent)
3 patents: