Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063137 | Laser-marking method and resin composition for laser-marking | Toshiyuki Kiyonari, Satoshi Hirabayashi, Futoshi Takimoto | 1991-11-05 |
| 5035983 | Method and composition for laser-marking | Toshiyuki Kiyonari, Satoshi Hirabayashi | 1991-07-30 |