Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686725 | Method for reading of invisible marking | Atsushi Akiyama, Hiroyasu Matsuki, Kazuo Sanada, Sadao Chigira, Masanobu Hidaka | 1997-11-11 |
| 5605740 | Actinic radiation-curable colored coating composition for use in vacuum-forming film, vacuum-forming film and vacuum-formed product | Takeshi Tomiyama, Shinichi Ogino, Kenji Seko | 1997-02-25 |