2 Patents
#4,069 in Tokyo
#10,986 in Japan
Nippon Hose Kyokai
Forward Citations = 14
4 inventors:
4 inventors (with patents filed for the assignee):
Osamu Yamada (1 out of 77 patents)
Junji Numazawa (1 out of 6 patents)
Fusayoshi Aruga (1 out of 2 patents)
4. Akio Yanagimachi (1 out of 7 patents)
2 patents: