Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7067469 | Solid-shaped detergent | Nobuyoshi Yamaguchi, Shu Yamaguchi, Hitoshi Takaya, Hiroyuki Yamashita | 2006-06-27 |
| 6645931 | Solid-shaped detergent | Nobuyoshi Yamaguchi, Shu Yamaguchi, Hitoshi Takaya, Hiroyuki Yamashita | 2003-11-11 |