TI

Tetsuzo Ishikawa

SI Sumitomo Heavy Industries: 6 patents #59 of 917Top 7%
📍 Amuru, UG: #126 of 499 inventorsTop 30%
Overall (All Time): #848,758 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9382949 Shaft coupling structure Yuichi Nishitani, Yoshitaka Shizu, Sakae Mitsufuji, Shinichi Nishibe 2016-07-05
9331545 Rotation apparatus including motor and speed reducer Sakae Mitsufuji, Shinichi Nishibe, Yuichi Nishitani 2016-05-03
9200677 Shaft coupling structure Shinichi Nishibe, Sakae Mitsufuji, Yoshitaka Shizu, Yuichi Nishitani 2015-12-01
8562473 Speed reducer incorporating portion structure, incorporating method, and eccentric oscillating type speed reducer Takashi Haga, Yoshitaka Shizu 2013-10-22
6378206 Method of fabricating pin retaining ring for internal gear, internal meshing planetary gear structure, and hydraulic motor pump Kiyoji Minegishi 2002-04-30
6174223 Method and apparatus for polishing external-tooth gears Kazuhiro Miyamae, Kiyoji Minegishi, Takashi Toida 2001-01-16