Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977108 | Recording medium including patterned tracks and isolation regions | Masatoshi Sakurai, Koji Asakawa, Toshiro Hiraoka, Katsuyuki Naito | 2005-12-20 |
| 6850480 | Recording medium, recording apparatus and recording method | Katsuyuki Naito | 2005-02-01 |
| 6841224 | Method of patterning magnetic products using chemical reactions | Yoshiyuki Kamata, Katsuyuki Naito | 2005-01-11 |
| 6303277 | Pattern forming method and method of manufacturing device having fine pattern | Takashi Ishino, Kuniyoshi Tanaka, Katsuyuki Naito | 2001-10-16 |
| 6197399 | Recording medium and method of manufacturing the same | Katsuyuki Naito, Takashi Ishino | 2001-03-06 |
| 6125095 | Luminescent recording layer holding a plurality of positive or negative charges | Nobuhiro Gemma, Kuniyoshi Tanaka | 2000-09-26 |
| 5675532 | Recording medium and recording/reproduction method | Nobuhiro Gemma, Syun Egusa, Kuniyoshi Tanaka, Katsuyuki Naito | 1997-10-07 |