Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7738205 | Recording disk drive and method of managing defective regions in the same | Tomoharu Maeno, Masahiro Shimizu | 2010-06-15 |
| 7583461 | Defect registration method of magnetic disk, and magnetic disk drive | Masaki Kudoh | 2009-09-01 |
| 7532426 | Method for erase process on recording surface of disk and disk drive apparatus | Takahiro Nakagawa, Hiroshi Fukuyama, Kyo Akagi | 2009-05-12 |
| 6850379 | Method for registering a defect map within a hard disk drive | Haruo Andoh, Takashi Kuroda, Yuhji Yokoe | 2005-02-01 |
| 5878576 | Master cylinder | Kimio Ishihara | 1999-03-09 |
| 5347813 | Cap for master cylinder reservoir | Kunio Yanagi | 1994-09-20 |
| D337590 | Combined microphone, speaker, and amplifier | — | 1993-07-20 |
| 4937857 | Plural terminals communication controlling system | Tetsuro Yamashita, Kiyoshi Miyasoh | 1990-06-26 |
| 4285227 | Edge roll assembly for manufacturing a taper leaf spring | Yoshihiro Sakai, Jun Takahashi, Akira Ohno | 1981-08-25 |