Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7663280 | Spindle motor and disk drive device using the same | Kenichi Miyamori, Shigeo Obata, Hiromitsu Noda | 2010-02-16 |
| 7609408 | Image reading apparatus, image formation apparatus, image processing system, memory area sharing method for image reading apparatus, and memory area sharing method for image processing system | Hiroshi Hayashi, Tadaomi Suzuki | 2009-10-27 |
| 7448805 | Thrust dynamic pressure bearing, spindle motor using thereof, and information recording/reproducing device using the spindle motor | Shigeo Obata, Kenichi Miyamori, Hiromitsu Noda | 2008-11-11 |
| 7160031 | Thrust dynamic pressure bearing, spindle motor using the same, and information recording and reproducing apparatus using them | Shigeo Obata, Kenichi Miyamori, Hiromitsu Noda | 2007-01-09 |
| 7110221 | Disk drive | Hideki Kuwajima, Shigeo Obata | 2006-09-19 |
| 6965492 | Rotor assembly, information-recording/-reproducing device using the rotor assembly and method of assembling the rotor assembly | Shigeo Obata, Kaoru Matsuoka, Koichi Shinohara, Yoshihiro Ueno, Tatsuhiko Inagaki +1 more | 2005-11-15 |
| 6646820 | Method for recording magnetic recording medium | Tatsuaki Ishida, Taizou Hamada, Hideyuki Hashi, Keizo Miyata, Yasuaki Ban | 2003-11-11 |
| 6225712 | Voice coil motor | Makoto Miyamoto, Hideki Kuwajima, Kenichi Sakamoto, Kaoru Matsuoka | 2001-05-01 |
| 5508945 | Levitation phenomenon analyzer and magnetic recording apparatus including levitation phenomenon analyzer | Yoshiaki Mizoh, Hiroshi Yohda, Hidetoshi Kotera | 1996-04-16 |
| 5315233 | Electromagnetic field analyzer for devices in which an electromagnetic field is present near a conductor and an electric charge moves in the electromagnetic field, and method of analyzing an electromagnetic field | Kazuyuki Sakiyama, Akira Ahagon, Hidetoshi Kotera | 1994-05-24 |
| 5307291 | Instrument for analysis of levitation of rapidly moving structure such as a magnetic tape across an air gap | Hidetoshi Kotera, Kazuyuki Sakiyama, Akira Ahagon | 1994-04-26 |