Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7113453 | Method for recording and reproduction on a magneto-optical recording medium | Katsusuke Shimazaki, Norio Ohta, Akiyoshi Ito, Kazuko Inoue | 2006-09-26 |
| 6904002 | Magneto-optical reproducing method using a plurality of different reproducing beams | Hiroyuki Awano, Katsusuke Shimazaki, Hiroki Takao, Norio Ohta, Akiyoshi Itou | 2005-06-07 |
| 6707648 | Magnetic device, magnetic head and magnetic adjustment method | Akiyoshi Itoh | 2004-03-16 |
| 6633514 | Magneto-optical reproducing method using a plural of different reproducing beams | Hiroyuki Awano, Katsusuke Shimazaki, Hiroki Takao, Norio Ohta, Akiyoshi Itou | 2003-10-14 |
| 6507197 | Electrostatic force detector with cantilever for an electrostatic force microscope | Akiyoshi Itoh, Manabu Tani, Toshio Uehara, Bruce T. Williams | 2003-01-14 |
| 6388954 | Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing same | Hiroyuki Awano, Katsusuke Shimazaki, Hiroki Takao, Norio Ohta, Akiyoshi Itou +3 more | 2002-05-14 |
| 6337478 | Electrostatic force detector with cantilever and shield for an electrostatic force microscope | Toshio Uehara, Akiyoshi Itoh, Manabu Tani, Bruce T. Williams | 2002-01-08 |
| 5923625 | Magneto-optical recording medium and method for recording and reproduction thereon | Katsusuke Shimazaki, Norio Ohta, Akiyoshi Ito, Kazuko Inoue | 1999-07-13 |
| 4839208 | Optical information recording medium | Masaki Itoh, Akio Morimoto, Mitsuru Sakai | 1989-06-13 |