Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367950 | Vehicle lamp fixture and method of use | Tetsuo Yamada, Masaki Umemoto | 2002-04-09 |
| 5300197 | Distillation apparatus with porous membrane and heat pump | Akira Ashida, Katsuya Ebara, Hideaki Kurokawa | 1994-04-05 |
| 5101848 | Shut off apparatus for a fluid passage, method for controlling the same, and method for confirming closing of the same | Yoshio Kojima, Tsutomu Okusawa, Kuniyoshi Tsubouchi, Yoichi Yoshinaga, Yusuke Takagi +1 more | 1992-04-07 |
| 4989626 | Apparatus for and method of controlling the opening and closing of channel for liquid | Yusuke Takagi, Yoshio Kojima | 1991-02-05 |