Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5952437 | Polyurethane | Toshio Tadokoro, Shigeru Murata | 1999-09-14 |
| 5668223 | Polyurethane | Toshio Tadokoro, Shigeru Murata | 1997-09-16 |
| 5330669 | Magnetic coating formulations | Masahiko Yasuda, Yorozu Yokomori, Shinichiro Jimbo, Edmond G. Kolycheck | 1994-07-19 |
| 5292853 | Polyurethane resin containing a phosphoric acid group | Masahiko Yasuda, Yorozu Yokomori, Shinichiro Jimbo, Edmond G. Kolycheck | 1994-03-08 |
| 5273826 | Magnetic coating formulations and magnetic recording media | Masahiko Yasuda, Yorozu Yokomori, Shinichiro Jimbo, Edmond G. Kolycheck | 1993-12-28 |
| 5162162 | Magnetic coating formulations and magnetic recording media | Masahiko Yasuda, Yorozu Yokomori, Shinichiro Jimbo | 1992-11-10 |
| 5158830 | Magnetic recording medium comprising a polyurethane resin coating residual groups derived from specified phosphorous containing compounds | Masahiko Yasuda, Yorozu Yokomori, Shinichiro Jimbo | 1992-10-27 |
| 5142001 | Polyurethane composition | Masahiko Yasuda, Yorozu Yokomori, Yukiyoshi Ito, Koji Hisamura | 1992-08-25 |
| 5037934 | Magnetic coating formulations and magnetic recording media | Masahiko Yasuda, Yorozu Yokomori, Shinichiro Jimbo | 1991-08-06 |