Number | Date | Country | Kind |
---|---|---|---|
63-58649 | Mar 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4210837 | Vasilieu et al. | Jul 1980 | |
4663556 | Kumada | May 1987 | |
4681667 | Utsumi et al. | Jul 1987 | |
4705980 | Mishiro | Nov 1987 | |
4728843 | Mishiro | Mar 1988 | |
4764702 | Mishiro | Aug 1988 | |
4812697 | Mishiro | Mar 1989 |
Number | Date | Country |
---|---|---|
3433768 | Apr 1985 | DEX |
0113672 | Jun 1985 | JPX |
0148387 | Aug 1985 | JPX |
0052163 | Mar 1986 | JPX |
0054883 | Mar 1986 | JPX |
0196773 | Aug 1986 | JPX |
0060480 | Mar 1987 | JPX |
0060481 | Mar 1987 | JPX |
0092779 | Apr 1987 | JPX |
0095981 | May 1987 | JPX |
0217875 | Sep 1987 | JPX |
0670992 | Jun 1979 | SUX |
Entry |
---|
"A Piezoelectric Ultrasonic Motor", Kumada, Japanese Journel of Applied Physics, vol. 24, Supplement 24-2, pp. 739-741 (1985). |