Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372871 | Dithiocarbonate composition | Shoshiro Matsushita, Ikuo Shimizu, Iwao Hotta, Masanori Ikuta, Izumi Itani | 2002-04-16 |
| 6160044 | Compositions containing dithiocarbonate compound | Shoshiro Matsushita, Ikuo Shimizu, Iwao Hotta, Masanori Ikuta, Izumi Itani | 2000-12-12 |
| 5330669 | Magnetic coating formulations | Masahiko Yasuda, Shigeo Hosokawa, Yorozu Yokomori, Edmond G. Kolycheck | 1994-07-19 |
| 5292853 | Polyurethane resin containing a phosphoric acid group | Masahiko Yasuda, Shigeo Hosokawa, Yorozu Yokomori, Edmond G. Kolycheck | 1994-03-08 |
| 5273826 | Magnetic coating formulations and magnetic recording media | Masahiko Yasuda, Shigeo Hosokawa, Yorozu Yokomori, Edmond G. Kolycheck | 1993-12-28 |
| 5162162 | Magnetic coating formulations and magnetic recording media | Masahiko Yasuda, Shigeo Hosokawa, Yorozu Yokomori | 1992-11-10 |
| 5158830 | Magnetic recording medium comprising a polyurethane resin coating residual groups derived from specified phosphorous containing compounds | Masahiko Yasuda, Shigeo Hosokawa, Yorozu Yokomori | 1992-10-27 |
| 5037934 | Magnetic coating formulations and magnetic recording media | Masahiko Yasuda, Shigeo Hosokawa, Yorozu Yokomori | 1991-08-06 |