Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523205 | Heat-sensitive recording materials | Ryuzo Hayashi, Naoto Arai, Yoshitaka Oeda | 1985-06-11 |
| 4514745 | Heat-sensitive recording material | Naoto Arai, Shoji Aoyagi, Toranosuke Saito, Masakatsu Kitani, Takashi Ishibashi | 1985-04-30 |