Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6902055 | Disk cartridge | Akira Kurozuka, Tohru Nakamura | 2005-06-07 |
| 6865060 | Disk drive device having a lifting plate configured to lift a magnetic head supporting member | Akira Kurozuka, Hitoshi Minabe, Tomio Yamamoto | 2005-03-08 |
| 6643243 | Disk drive unit with part of feed motor coinciding in height with loaded disk cartridge | Akira Kurozuka, Hitoshi Minabe, Tomio Yamamoto | 2003-11-04 |
| 6529462 | Disk loading device and disk adaptor | Akira Kurozuka, Shinichi Maeda, Kohzoh Ezawa | 2003-03-04 |
| 6526018 | Disk cartridge | Akira Kurozuka, Hitoshi Minabe, Tomio Yamamoto | 2003-02-25 |
| 6495235 | Optical disk, substrate of the same, and mold for forming the substrate | Kiyoshi Uchida, Akira Kurozuka, Tomio Yamamoto | 2002-12-17 |
| 6272093 | Disk loading device and disk adaptor | Akira Kurozuka, Shinichi Maeda, Kohzoh Ezawa | 2001-08-07 |
| 6215760 | Method and apparatus for using a disk cartridge with pull-out type case | Akira Kurozuka, Hiroyuki Takeuchi, Hironori Okazawa, Yoshikazu Goto | 2001-04-10 |
| 6118751 | Disk cartridge, disk drive and disk changer apparatus using the disk cartridge, and method for handling the disk cartridge | Akira Kurozuka, Hiroyuki Takeuchi, Hironori Okazawa, Yoshikazu Goto | 2000-09-12 |
| 5936935 | Disk cartridge having a locking means and cartridge coupling means | Akira Kurozuka, Hiroyuki Takeuchi, Hironori Okazawa, Yoshikazu Goto | 1999-08-10 |
| 4740856 | Tape cassette and cassette recorder using the same | Tetsuji Yoshii, Yuji Nakamura, Shuji Iwasaki, Teruyuki Takizawa | 1988-04-26 |