5 Patents
#1 in Shioya
#6,487 in Japan
Matsutani Seisakusho
Forward Citations = 87
4 inventors:
4 inventors (with patents filed for the assignee):
Kanji Matsutani (4 out of 64 patents)
Hiroshi Yagisawa (1 out of 3 patents)
Motoichi Sugino (1 out of 1 patent)
4. Kanzi Matsutani (1 out of 1 patent)
5 patents: