Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7200102 | Optical recording medium and recording method for the same | Hiroaki Irie, Kenichi Nishiuchi, Mitsuaki Oshima | 2007-04-03 |
| 7170848 | Optical recording medium and recording method for the same | Hiroaki Irie, Kenichi Nishiuchi | 2007-01-30 |
| 7170839 | Optical recording medium and recording method for the same | Hiroaki Irie, Kenichi Nishiuchi, Mitsuaki Oshima | 2007-01-30 |
| 7136348 | Optical recording medium and recording method for the same | Hiroaki Irie, Kenichi Nishiuchi, Mitsuaki Oshima | 2006-11-14 |
| 7061850 | Optical recording medium and recording method for the same | Hiroaki Irie, Kenichi Nishiuchi, Yoshihisa Fukushima, Mitsuaki Oshima | 2006-06-13 |
| 6607869 | Optical information recording medium and method of manufacturing the same | Rie Kojima, Toshiaki Kashihara, Noboru Yamada | 2003-08-19 |
| 5151295 | Process for manufacturing an optical recording medium | Katsumi Kawahara, Masami Uchida, Kazumi Yoshioka, Takeo Ohta | 1992-09-29 |