Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42222 | Reversible optival information-recording medium | Norboru Yamada, Kunio Kimura, Susumu Sanai | 2011-03-15 |
| 6268107 | Reversible optical information-recording medium | Noboru Yamada, Kunio Kimura, Susumu Sanai | 2001-07-31 |
| 5385806 | Optical information recording medium | Eiji Ohno, Noboru Yamada | 1995-01-31 |
| 5294523 | Optical information recording medium | Ken'chi Nagata, Susumu Sanai, Noboru Yamada | 1994-03-15 |
| 5278011 | Reversible optical information-recording medium | Noboru Yamada, Kunio Kimura, Susumu Sanai | 1994-01-11 |
| 4847132 | Protective layer for optical information recording medium | Kunio Kimura, Toshimitsu Kurumizawa, Kenichi Nagata | 1989-07-11 |
| 4624914 | Optical information recording medium of Te, O and Pd and method for making same | Kunio Kimura, Nobuo Akahira, Mutsuo Takenaga | 1986-11-25 |