Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8334627 | Compact motor | — | 2012-12-18 |
| 7088022 | Axial air-gap vibration motor | Tadao Yamaguchi, Tetsushi Yashima | 2006-08-08 |
| 6909206 | Flat rotor and motor comprising the same | Akihisa Inoue | 2005-06-21 |
| 6853109 | Axially sliding contact type of a commutator, a rotor including the commutator, and an electric motor having the rotor | Tetsushi Yashima, Katsuhito Sohara | 2005-02-08 |
| 6765331 | Eccentric rotor having high density member, manufacturing method thereof, and flat coreless vibrator motor using the eccentric rotor | Kenji Oya | 2004-07-20 |
| 6762518 | Flat core brushless motor | Tadao Yamaguchi, Toru Arai | 2004-07-13 |
| 6380651 | Brushless motor having resin bearing | Tadao Yamaguchi, Akihisa Inoue | 2002-04-30 |
| 6326711 | DC brushless motor having eccentric rotor | Tadao Yamaguchi | 2001-12-04 |
| 5373207 | Brushless vibrator motor for a wireless silent alerting device | Tadao Yamaguchi | 1994-12-13 |
| 5341057 | Vibrator motor for a wireless silent alerting device | Tadao Yamaguchi, Koichi Nakajima | 1994-08-23 |