Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617094 | Laser-marking laminated structure and laser-marked laminated structure | Kazuyoshi Hayashi, Koji Shimizu, Masahiro Shimoyamada | 2003-09-09 |
| 6423399 | Laser-marking medium | Norio Endo, Teruto Isonaga, Kazuyoshi Hayashi, Koji Shimizu, Masahiro Shimoyamada | 2002-07-23 |
| 5884763 | Wrapping film housing carton | — | 1999-03-23 |