Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9724906 | Delamination method, delamination device, and delamination system | Masanori Itou, Ryoichi Sakamoto | 2017-08-08 |
| 9613797 | Cleaning device, peeling system, cleaning method and computer-readable storage medium | Osamu Hirakawa, Hiroshi KOMEDA, Katsuhiro Iino | 2017-04-04 |
| 4340375 | Electronic learning aid | Koichi Hatta, Megumi Fukusaki, Yoshiro Kataoka | 1982-07-20 |
| 4321046 | Electronic learning aid operable in an examination mode | Koiti Oda, Yoshiro Kataoka | 1982-03-23 |