Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7318963 | Composite chromium plating film and sliding member having the same and method for manufacture thereof | Takeo Oshimi, Kiyotaka Oku | 2008-01-15 |
| 7291384 | Piston ring and thermal spray coating used therein, and method for manufacturing thereof | Ryou Obara, Yukio Hosotsubo | 2007-11-06 |
| 7036823 | Side rail and combined oil control ring incorporated with the side rails for reduction of oil consumption | Kazunori Kusama | 2006-05-02 |
| 4947081 | Dual insulation oxynitride blocking thin film electroluminescence display device | Tsunemi Ohiwa, Keiichiro Uenae, Souichi Ogawa, Masaaki Yoshitake | 1990-08-07 |