Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6330124 | Magnetic disk device using a contact start stop system | Yuji Tsukamoto | 2001-12-11 |
| 6181517 | Magnetic disc drive system with liquid film lubricating agent | Masahiro Yanagisawa, Akinobu Sato | 2001-01-30 |
| 6181503 | Magnetic disk device using a contact start stop system | Yuji Tsukamoto | 2001-01-30 |
| 5994035 | Method of producing magnetic head slider of the flying type having a protective coating | Yuji Tsukamoto | 1999-11-30 |
| 5973881 | Magnetic head slider with rail grooves narrowing from base thereof | — | 1999-10-26 |
| 5801906 | Magnetic head device incorporating a ferroelectric thin film | Masahiro Yanagisawa, Akinobu Sato | 1998-09-01 |
| 5673161 | Low wear rate magnetic head slider with high recording density | Masahiro Yanagisawa, Akinobu Sato | 1997-09-30 |