Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42222 | Reversible optival information-recording medium | Norboru Yamada, Kunio Kimura, Masatoshi Takao | 2011-03-15 |
| 6268107 | Reversible optical information-recording medium | Noboru Yamada, Kunio Kimura, Masatoshi Takao | 2001-07-31 |
| 5294523 | Optical information recording medium | Ken'chi Nagata, Noboru Yamada, Masatoshi Takao | 1994-03-15 |
| 5278011 | Reversible optical information-recording medium | Noboru Yamada, Kunio Kimura, Masatoshi Takao | 1994-01-11 |
| 4939013 | Optical information storing medium | Kunio Kimura, Noboru Yamada, Eiji Ohno | 1990-07-03 |
| 4443276 | Mn--Al--C Alloys for anisotropic permanent magnets | Kiyoshi Kojima | 1984-04-17 |