Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487154 | Laser drive unit and information recording/reproducing apparatus | Masaaki Kurebayashi, Akihiro Asada, Toshimitsu Kaku, Hideo Oonuki, Hidehiko Kandou | 2002-11-26 |
| 6483791 | Laser drive integrated circuit and optical disk apparatus using the same | Akihiro Asada, Hideo Ohnuki, Masaaki Kurebayashi, Yasuhito Tanaka, Toshimitsu Kaku +1 more | 2002-11-19 |
| 6442118 | Information recording and reproducing apparatus having semiconductor laser drive circuitry in its pickup | Toshimitsu Kaku, Akihiro Asada, Takehiko Sekine | 2002-08-27 |
| 6424980 | Integrated retrieval scheme for retrieving semi-structured documents | Yuichi Iizuka, Mitsuaki Tsunakawa, Toshihiro Nagasue, Hiroki Machihara | 2002-07-23 |
| 6414932 | Information recording/reproducing apparatus with laser driver | Toshimitsu Kaku, Akihiro Asada | 2002-07-02 |
| 6363375 | Classification tree based information retrieval scheme | Yasushi Hasegawa, Giichi Kishimoto, Kinji Kato, Tsuyoshi Hayashi | 2002-03-26 |