Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8495668 | Spindle motor attachment structure for a disc drive apparatus | Yoshiaki Yamauchi, Takayuki Fujimoto, Shinya Tsubota, Nozomu Harada, Seiji Hamaie +1 more | 2013-07-23 |
| 8464282 | Optical disc apparatus with mechanical chassis having a recess | Takayuki Fujimoto, Seiji Hamaie, Nozomu Harada, Shinya Asano, Yoshiaki Yamauchi | 2013-06-11 |
| 8127322 | Optical disc drive with main shaft having end portion of particular configuration | Takayuki Fujimoto, Nozomu Harada | 2012-02-28 |
| 7543310 | Optical disk apparatus with openings for discharging air from therein | Mitsukata Shizuya, Hideyuki Onuma, Shinya Tsubota, Yoshiaki Yamauchi, Keiji Sasao +2 more | 2009-06-02 |
| 7383557 | Recording disk apparatus having regions of constrained thermal conduction | Hiroyuki Toyoda, Shigeo Ohashi, Yoshiaki Yamauchi, Kazuhiro Oda | 2008-06-03 |
| 7380253 | Disk drive apparatus | Yoshiaki Yamauchi, Seiichi Katou, Shinya Tsubota, Yoshihiro Fukagawa, Kuniyuki Kimura +1 more | 2008-05-27 |
| 7340754 | Disk drive device | Yoshiaki Yamauchi, Hideyuki Onuma, Shinya Tsubota, Kuniyuki Kimura | 2008-03-04 |
| 5734537 | Tape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the same | Seiji Ono, Kenmei Masuda, Hidekazu Takeda, Atsushi Inoue, Nobuo Masuoka +3 more | 1998-03-31 |
| 5193045 | Helical scan type magnetic recording and/or reproducing apparatus having combination type video head and flying erase head for low vibration | Masanori Kochi, Juichi Morikawa, Hideo Zama | 1993-03-09 |
| 5057944 | Multiplex rotating magnetic head system for multiply recording and erasing audio and video signals | Shinji Ozaki, Juichi Morikawa, Hideo Zama, Mashanori Kochi | 1991-10-15 |
| 4959743 | Jitter reducing tapered rotary drum for magnetic head apparatus | Mashanori Kochi, Juichi Morikawa, Shinji Ozaki, Hitoshi Takizawa | 1990-09-25 |
| 4833562 | Rotary magnetic head cylinder device for suppressing vibrations ofa magnetic tape | Masanori Kochi, Juichi Morikawa, Toshio Osada, Hitoshi Takizawa, Hideyuki Kawase +4 more | 1989-05-23 |
| 4823218 | Balance compensated rotary magnetic head device | Masanori Kochi | 1989-04-18 |