Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469977 | Optical information recording medium, method for producing the same, and method and apparatus for recording/reproducing information thereon | Noboru Yamada | 2002-10-22 |
| 6432502 | Optical recording medium and method of manufacturing the same | Rie Kojima, Noboru Yamada | 2002-08-13 |
| 6416837 | Information recording medium, a method for manufacturing the same and a method for recording/reproducing information thereon | Rie Kojima, Noboru Yamada | 2002-07-09 |
| 6388984 | Optical information recording medium and its recording and reproducing method | Noboru Yamada, Ken'ichi Nagata, Kenichi Nishiuchi, Shigeaki Furukawa | 2002-05-14 |