Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632583 | Optical recording medium and production method of the same | Takashi Ohno | 2003-10-14 |
| 6128273 | Optical phase-change disc | Michikazu Horie, Takashi Ohno, Hideyuki Kubo, Masae Kubo, Hironobu Mizuno +2 more | 2000-10-03 |
| 6115353 | Optical phase-change disc having a grooved substrate, with the groove having specific wobbled and non-wobbled regions | Michikazu Horie, Takashi Ohno, Hideyuki Kubo, Masae Kubo, Hironobu Mizuno +2 more | 2000-09-05 |
| 6004646 | Optical information recording medium | Takashi Ohno, Masao Komatsu, Masae Kubo, Masaaki Mizuno, Natsuko Nobukuni +1 more | 1999-12-21 |
| 5862123 | Optical phase-change disc | Michikazu Horie, Takashi Ohno, Hideyuki Kubo, Masae Kubo, Hironobu Mizuno +2 more | 1999-01-19 |
| 5848043 | Modulation of laser power in accordance with a linear velocity by pulse division schemes | Ken' Ichi Takada, Takashi Ohno, Natsuko Nobukuni, Michikazu Horie | 1998-12-08 |
| 5818808 | Optical recording process and optical recording system | Ken'ichi Takada, Takashi Ohno, Natsuko Nobukuni, Michikazu Horie | 1998-10-06 |
| 5581539 | Optical recording medium | Michikazu Horie, Takashi Ohno, Kenichi Takada, Hironobu Mizuno | 1996-12-03 |
| 5258103 | Process for producing terbium alloy or terbium metal | Hozumi Endoh, Nobuo Sugimura | 1993-11-02 |