Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643251 | Disc drive apparatus | Hiroshi Ikuta, Mitsuhiro Ueno | 2003-11-04 |
| 6424613 | Iron core coil motor and disk drive | Hiroshi Ikuta, Mitsuhiro Ueno, Yuji Shishido | 2002-07-23 |
| 6252319 | Disk rotating mechanism | Fumiharu Sudo, Yuji Shishido, Takashi Mochida, Shigeo Kobayashi, Hiroshi Ikuta +1 more | 2001-06-26 |