Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5474617 | Image holding-supporting member and regenerating method thereof | Tadashi Saito, Toshiyuki Kawanishi, Iwao Takahashi | 1995-12-12 |
| 4477555 | Optical information recording medium | Hideaki Oba, Makoto Kunikane, Masaakira Umehara, Michiharu Abe | 1984-10-16 |
| 4458004 | Optical information recording medium | — | 1984-07-03 |
| 4329416 | Methods for preparing plural layer organic electrophotographic elements | Masao Yoshikawa, Tsutomu Sato | 1982-05-11 |