2 Patents
#4,070 in Tokyo
#10,988 in Japan
Mitsui Kouzan Kabushiki Kaisha
Forward Citations = 3
3 inventors:
3 inventors (with patents filed for the assignee):
Osamu Matsunaga (2 out of 6 patents)
Keigo Kusano (2 out of 2 patents)
Naomasa Hayashida (2 out of 2 patents)
2 patents:
#4,070 in Tokyo
#10,988 in Japan
3 inventors: