Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229992 | Process for the preparation of a piperazine derivative | Keiichi Koga, Ryoki Orii, Yosuke Fujii, Shunsuke Goto | 2007-06-12 |
| 5063137 | Laser-marking method and resin composition for laser-marking | Toshiyuki Kiyonari, Naoto Kidokoro, Futoshi Takimoto | 1991-11-05 |
| 5035983 | Method and composition for laser-marking | Toshiyuki Kiyonari, Naoto Kidokoro | 1991-07-30 |