2 Patents
#4,062 in Tokyo
#10,962 in Japan
Showa Sangyo Kabushiki Kaisha
Forward Citations = 11
3 inventors:
3 inventors (with patents filed for the assignee):
Kazuyoshi Yamamoto (1 out of 2 patents)
Haruo Watanabe (1 out of 3 patents)
Masaaki Negishi (1 out of 3 patents)
2 patents:
#4,062 in Tokyo
#10,962 in Japan
3 inventors: