Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631227 | Information recording and reproducing apparatus | Manabu Oumi, Yasuyuki Mitsuoka, Hidetaka Maeda, Kenji Kato, Takashi Niwa | 2003-10-07 |
| 6625109 | Near-field optical head and head support assembly having near-field optical head | Yasuyuki Mitsuoka, Norio Chiba, Takashi Niwa, Kunio Nakajima, Kenji Kato +1 more | 2003-09-23 |
| 6587426 | Recording medium having information reproducible using near-field light | Manabu Oumi, Yasuyuki Mitsuoka, Norio Chiba, Kenji Kato, Takashi Niwa | 2003-07-01 |
| 6580677 | Information recording medium and information reproducing apparatus | Norio Chiba, Yasuyuki Mitsuoka, Manabu Oumi, Takashi Niwa | 2003-06-17 |
| 6567373 | Optical head | Kenji Kato, Manabu Oumi, Yasuyuki Mitsuoka, Takashi Niwa, Susumu Ichihara | 2003-05-20 |
| 6563782 | INFORMATION RECORDING MEDIUM HAVING DOUBLE-LAYER STRUCTURE, AND INFORMATION REPRODUCING APPARATUS AND INFORMATION RECORDING AND REPRODUCING APPARATUS UTILIZING INFORMATION RECORDING MEDIUM HAVING DOUBLE-LAYER STRUCTURE | Manabu Oumi, Yasuyuki Mitsuoka, Norio Chiba, Hidetaka Maeda, Kenji Kato +1 more | 2003-05-13 |
| 6528780 | Optical probe for proximity field | Yasuyuki Mitsuoka, Norio Chiba, Takashi Niwa, Kunio Nakajima | 2003-03-04 |