3 Patents
#3,271 in Tokyo
#8,779 in Japan
Nippon Concrete Kogyo Kabushiki Kaisha
Forward Citations = 28
6 inventors:
6 inventors (with patents filed for the assignee):
Senri Okada (2 out of 5 patents)
Shinzo Hasegawa (1 out of 3 patents)
Mitsuo Ohoka (1 out of 1 patent)
4. Chokichi Sugita (1 out of 1 patent)
5. Hiroshi Endo (1 out of 1 patent)
6. Atsumi Shibuya (1 out of 1 patent)
3 patents:
#3,271 in Tokyo
#8,779 in Japan
6 inventors: