Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9339778 | Column-type solid-liquid countercurrent contact apparatus, solid particle washing apparatus, and method | Tomoyoshi Koizumi | 2016-05-17 |
| 5792020 | Supporting structure of a ring gear supporting member in planetary gear device | Takashi Hotta, Hisami Miyazaki | 1998-08-11 |
| 5342257 | Planetary gear transmission | Takashi Hotta, Yukio Morita, Yoichi Kojima, Tsunefumi Niiyama, Yorinori Kumagai +1 more | 1994-08-30 |
| 5277673 | Clutch-separable planetary gear transmission | Hiroshi Nakayama, Takashi Hotta, Yukio Morita, Yoichi Kojima, Tsunefumi Niiyama +3 more | 1994-01-11 |
| 5222923 | Planetary gear transmission | Takashi Hotta, Yukio Morita, Yoichi Kojima, Tsunefumi Niiyama, Yorinori Kumagai +1 more | 1993-06-29 |
| 5071398 | Integral-type planetary gear transmission separable by clutch | Takashi Hotta, Yukio Morita, Yoichi Kojima, Tsunefumi Niiyama, Yorinori Kumagai +2 more | 1991-12-10 |
| 4953677 | Method of and apparatus for controlling direct coupling mechanism in hydrodynamic driving apparatus | Takashi Aoki, Satoshi Terayama, Yoshihisa Iwaki, Hiroyuki Shimada, Hiroshi Nakayama | 1990-09-04 |