Issued Patents 2004
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797373 | Magnetic recording medium | Hitoshi Noguchi, Nobuo Yamazaki | 2004-09-28 |
| 6791803 | Magnetic recording and reproducing method and magnetic recording medium employed for the same | Nobuo Yamazaki, Hitoshi Noguchi | 2004-09-14 |
| 6790522 | Magnetic recording medium | Nobuo Yamazaki, Hitoshi Noguchi | 2004-09-14 |
| 6783707 | Lens, manufacturing method thereof, and optical pickup | Hiroyuki Ueda, Satoshi Kawakita, Hiroyuki Sakakibara | 2004-08-31 |
| 6780503 | Magnetic recording medium | Hitoshi Noguchi, Nobuo Yamazaki | 2004-08-24 |
| 6773783 | Magnetic recording medium in the form of a disc | Hitoshi Noguchi, Nobuo Yamazaki | 2004-08-10 |
| 6757349 | PLL frequency synthesizer with lock detection circuit | Satoshi Katayama, Takehito Doi | 2004-06-29 |
| 6713149 | Magnetic recording medium | Takeshi Harasawa, Hitoshi Noguchi | 2004-03-30 |
| 6703101 | Magnetic recording medium | Nobuo Yamazaki | 2004-03-09 |
| 6703106 | Magnetic recording and reproducing method and magnetic recording medium for use in the method | Hitoshi Noguchi, Takeshi Harasawa | 2004-03-09 |
| 6690236 | Gain variable amplifier | — | 2004-02-10 |
| 6690225 | DC offset cancel circuit | Fumitaka Kondo | 2004-02-10 |
| 6687113 | Electrostatic chuck | Toshihiko Hanamachi, Takashi Kayamoto | 2004-02-03 |
| 6677036 | Method for producing magnetic recording medium and magnetic recording medium | Hitoshi Noguchi, Nobuo Yamazaki | 2004-01-13 |
| 6673477 | Magnetic recording medium with a specific relative speed to a magnetic head | Nobuo Yamazaki | 2004-01-06 |