2 Patents
#4,070 in Tokyo
#10,988 in Japan
Japanese National Railway
Forward Citations = 10
7 inventors:
7 inventors (with patents filed for the assignee):
Yoshio Ishii (1 out of 5 patents)
Isaburo Igarashi (1 out of 1 patent)
Kazuriki Iizuka (1 out of 1 patent)
4. Hiroshi Otsuka (1 out of 1 patent)
5. Osamu Oda (1 out of 1 patent)
6. Hiroji Noda (1 out of 1 patent)
7. Masaru Iwase (1 out of 1 patent)
2 patents: