Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12354790 | Winding machine and method of manufacturing coil | — | 2025-07-08 |
| 12348095 | Coil with contour shape, stator, and motor having same | — | 2025-07-01 |
| 11478840 | Manufacturing method of wire rod, manufacturing apparatus of wire rod, wire rod, and motor | Shigeru Maeda | 2022-10-25 |
| 11482913 | Coil manufacturing method, coil manufacturing device, coil, and motor | — | 2022-10-25 |
| 11316414 | Method of manufacturing coil and method of manufacturing motor | — | 2022-04-26 |
| 11245294 | Stator and motor | — | 2022-02-08 |
| 9899884 | Motor armature and motor | — | 2018-02-20 |
| 9860638 | Acoustic device, acoustic system, moving body device, and malfunction diagnosis method for acoustic system | Ichiro Ohno, Fumiyasu Konno, Shinnosuke Nagasawa | 2018-01-02 |
| 9779625 | Proximity alarm device, proximity alarm system, mobile device, and method for diagnosing failure of proximity alarm system | Ichiro Ohno | 2017-10-03 |
| 8867166 | Spindle motor and disk drive apparatus | Toshikazu Himeno, Hongbing Du, Junichi Hashimoto, Kazuya Enokizono | 2014-10-21 |
| 8277126 | Fluid dynamic bearing device | Masaharu Hori | 2012-10-02 |
| 7635936 | Fluid dynamic pressure bearing and spindle motor | — | 2009-12-22 |
| 7511918 | Spindle motor and recording disk driving apparatus having the spindle motor | Takeshi Ohiro | 2009-03-31 |
| 7343682 | Technique for filling bearing clearance of fluid-dynamic-pressure bearing unit with oil | Jyoichi Hiroshi, Hironori Ando | 2008-03-18 |
| 7265467 | Fluid dynamic pressure bearing and spindle motor | — | 2007-09-04 |
| 7128468 | Hydrodynamic bearing, method of manufacturing the same, method of manufacturing shaft member for hydrodynamic bearing, spindle motor, and recording disk driving apparatus | Takeshi Ohiro, Tatsuya Yoshida | 2006-10-31 |
| 6671125 | Fluid seal and bearing with same | — | 2003-12-30 |
| 6668025 | Tuning demodulator for digitally modulated RF signals | Kenji Adachi | 2003-12-23 |
| 6072992 | High-frequency device | Akira Mishima, Motoyoshi Kitagawa | 2000-06-06 |
| 6052571 | Tuner for PSK or PAM data applications | Akira Mishima, Motoyoshi Kitagawa | 2000-04-18 |
| 5559382 | Spindle motor | Yoshito Oku, Shozo Ibara, Hiromasa Fujii | 1996-09-24 |
| 5099213 | Phase-locked oscillator with phase lock detection circuit | Kunio Yamakawa | 1992-03-24 |