Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7800274 | Thin stator, eccentric motor and axial air-gap brushless vibration motor equipped with the same | Tadao Yamaguchi | 2010-09-21 |
| 7247963 | Eccentric rotor and vibration motor using such eccentric rotor | — | 2007-07-24 |
| 6876121 | Flat oscillation motor equipped with a brush apparatus | Hajime Kobayashi, Tetsushi Yashima | 2005-04-05 |
| 6853109 | Axially sliding contact type of a commutator, a rotor including the commutator, and an electric motor having the rotor | Naohisa Koyanagi, Tetsushi Yashima | 2005-02-08 |