Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624135 | Cleaning sheet | — | 2003-09-23 |
| 6159391 | Bleaching agent compositions | Tsuneo Kobayashi, Masahito Mikami, Yasuhisa Kuriyama, Jun Kokubu, Yasuo Hiro +1 more | 2000-12-12 |