Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7167439 | Multilevel optical recording medium with calibration signals | Hiroshi Take, Hiroyuki Arioka, Narutoshi Fukuzawa, Takashi Horai, Motohiro Inoue | 2007-01-23 |
| 6028836 | Optical recording medium for use at short wavelengths and its recording method | Atsuko Kosuda, Masahiro Shinkai, Toshiki Aoi | 2000-02-22 |
| 4491594 | Method for treatment of seizures | Norio Ogawa | 1985-01-01 |