Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048574 | Powder having at least one layer and process for preparing the same | Takafumi Atarashi | 2000-04-11 |
| 5763085 | Powder having at least one layer and process for preparing the same | Takafumi Atarashi | 1998-06-09 |