Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159391 | Bleaching agent compositions | Tsuneo Kobayashi, Masahito Mikami, Rumi Takano, Yasuhisa Kuriyama, Jun Kokubu +1 more | 2000-12-12 |
| 5929013 | Bleach product | Yasuhisa Kuriyama, Jun Kokubu, Yasuo Hiro, Tsuneo Kobayashi, Masahito Mikami +1 more | 1999-07-27 |
| 5783550 | Mold removal composition and mold bleaching method | Yasuhisa Kuriyama, Jun Kokubu, Yasuo Hiro, Tsuneo Kobayashi, Masahito Mikami +1 more | 1998-07-21 |