Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7095962 | Optical transmission system | — | 2006-08-22 |
| 6646825 | Data storage using disk media | Satoru Kaneda, Yuji Kaneko, Jun Ishikawa | 2003-11-11 |
| 6204991 | Head position signal demodulator and head positioning unit using the demodulator | — | 2001-03-20 |
| 6046870 | Magnetic disk apparatus having noise detection | — | 2000-04-04 |
| 5889630 | High density magnetic recorder | Akihiro Osaka | 1999-03-30 |