2 Patents
#4,374 in Tokyo
#11,165 in Japan
Maruyama Corporation
Forward Citations = 31
3 inventors:
3 inventors (with patents filed for the assignee):
Mitsuru Maruyama (1 out of 7 patents)
Hiroshi Aoki (1 out of 1 patent)
Yoshiyuki Ito (1 out of 1 patent)
2 patents: