YM

Yoshihito Minami

KS Komatsu Shisakusho: 2 patents #235 of 885Top 30%
KO Komatsu: 2 patents #831 of 2,087Top 40%
HA Hazama: 1 patents #3 of 23Top 15%
MA Maeda: 1 patents #11 of 35Top 35%
SC Sato Kogyo Co.: 1 patents #9 of 27Top 35%
Overall (All Time): #1,283,123 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5931601 Tunnel excavator Shinichi Terada, Toshihiro Yamazaki, Masaru Nakamura 1999-08-03
5915790 Tunnel boring machine Takashi Sakai, Sohta Takatsu, Yoshiaki Ishida, Tomio Jatani 1999-06-29
5181577 Device for fixing disk cutter to tunnel excavator Toshio Tsukamoto 1993-01-26
4818026 Shield type tunneling apparatus Toshihiro Yamazaki 1989-04-04