Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8518172 | Aqueous inorganic zinc-rich coating composition | Yoshio Yamada, Junichi Takagishi, Hidenori Matsuno, Masaki Ohshiba | 2013-08-27 |
| 6591634 | Method for production of metal oxide glass film at a low temperature | — | 2003-07-15 |
| 6408648 | Method for production of metal oxide glass microspherules at low temperatures | — | 2002-06-25 |
| 6048466 | Method of cleaning glass substrate for magnetic disk or semiconductor substrate | Masao Kawaguchi, Tadao Tokushima | 2000-04-11 |
| 5531822 | Modifier for porous materials and method of modifying porous materials | — | 1996-07-02 |
| 5449533 | Modifier for porous materials and method of modifying porous materials | — | 1995-09-12 |
| 5131977 | Base plate for recording disc and a method for its manufacture | Yuko Yoshida, Koichi Awazu | 1992-07-21 |
| 4985306 | Base plate for recording disc and a method for its manufacture | Tadao Tokushima | 1991-01-15 |