Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7385321 | Motor having shifted teeth of pressed powder construction | Shoji Ohiwa, Yasuaki Motegi | 2008-06-10 |
| 7339292 | Motor having shifted teeth of pressed powder construction | Shoji Ohiwa, Yasuaki Motegi | 2008-03-04 |
| 7250698 | Multi-phase claw-pole type rotary machine | Shoji Ohiwa, Yasuaki Motegi, Yuji Enomoto | 2007-07-31 |
| 6784590 | Permanent magnet motor | Toshimi Abukawa, Tokio Sekiguchi | 2004-08-31 |
| 6731027 | Three-phase hybrid type stepping motor | Toshimi Abukawa, Masafumi Sakamoto, Koki Isozaki | 2004-05-04 |
| 6710504 | Brushless DC motor | Shoji Ohiwa, Yoichi Nagata, Junichi Ikeda, Tomokazu Uchiyama, Kouji Yoneda +2 more | 2004-03-23 |
| 6633105 | Permanent magnet motor | Masafumi Sakamoto, Noriyoshi Kikuchi | 2003-10-14 |
| 6552453 | Magnetic pole position detector for an electric motor | Shoji Ohiwa, Atushi Yamamoto, Shinji Shimizu, Youji Unoki, Yukinori Kurita | 2003-04-22 |
| 6548923 | Two-phase hybrid type stepping motor | Masafumi Sakamoto, Koki Isozaki | 2003-04-15 |
| 6545376 | Three-phase hybrid type stepping motor | Masafumi Sakamoto, Koki Isozaki | 2003-04-08 |
| 6335582 | Permanent-magnet revolving electrodynamic machine with a concentrated winding stator | Toshimi Abukawa, Hideaki Suzuki, Hitoshi Ishii, Keiichi Abe | 2002-01-01 |
| 6313558 | Electric rotary machine having concentrated winding stator | Toshimi Abukawa, Yuji Takagai, Sachio Hatori, Kiyomichi Inoshita | 2001-11-06 |
| 5432644 | Disk drive unit having motor components in a compact arrangement | Fumio Tajima, Hiroshi Kanazawa, Hiroshi Katayama, Tadashi Takahashi, Nobuyoshi Mutoh +3 more | 1995-07-11 |
| 5430373 | Absolute encoder | Misao Ichikawa, Tokio Sekiguchi | 1995-07-04 |
| 4196967 | Optical system with masking means and method for producing it | Shigeru Innami, Kaname Satou | 1980-04-08 |