Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7560218 | Process for preparing toner | Shunji Arita | 2009-07-14 |
| 5756244 | Toner for full-color electrophotography and method for forming fixed images using the same | Tetsuhiro Semura | 1998-05-26 |
| 5196186 | Alkali metal zinc monoalkylphosphate, particles thereof, process for preparing the same, and cosmetic containing the same | Mitsuharu Masuda, Hiroshi Ito, Takashi Imamura, Tomihiro Kurosaki | 1993-03-23 |
| 5176904 | Alkali metal zinc monoalkylphosphate, particles thereof, process for preparing the same, and cosmetic containing the same | Mitsuharu Masuda, Hiroshi Ito, Takashi Imamura, Tomihiro Kurosaki | 1993-01-05 |
| 5174991 | Alkali metal zinc monoalkylphosphate, particles thereof, process for preparing the same, and cosmetic containing the same | Mitsuharu Masuda, Hiroshi Ito, Takashi Imamura, Tomihiro Kurosaki | 1992-12-29 |