Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8991277 | Worm wheel | Jun Hamakita | 2015-03-31 |
| 8813904 | Electric power steering system | Jun Hamakita, Yoshitomo NAGAI | 2014-08-26 |
| 8557904 | Sealing device | Masahiro Tabata, Kazutoshi Yamamoto, Daisuke Ozaki, Atsuhito Tada, Eiji Namira | 2013-10-15 |
| 6638054 | Injection molding machine for making a worm wheel | Kikuo Yamashita, Tetsuya Minamiguchi, Takanori Kurokawa | 2003-10-28 |
| 5002289 | Bi-directional oil seal with leakage recovering rib formations | Hiroyoshi Yasui, Teruo Ojima | 1991-03-26 |
| 4824324 | Water pump | Keiichi Furukawa, Teruo Ojima, Shiro Sawa | 1989-04-25 |