Number | Date | Country | Kind |
---|---|---|---|
5-112852 | May 1993 | JPX | |
5-210169 | Aug 1993 | JPX | |
5-247908 | Oct 1993 | JPX | |
5-287937 | Nov 1993 | JPX | |
5-288030 | Nov 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4652944 | Tindall | Mar 1987 | |
4949187 | Cohen | Aug 1990 | |
4985783 | Falck | Jan 1991 | |
5138501 | Ii | Aug 1992 | |
5159502 | Ejima | Oct 1992 |
Number | Date | Country |
---|---|---|
0173411 | Mar 1986 | EPX |
0387882 | Sep 1990 | EPX |
0416663 | Mar 1991 | EPX |
0522869 | Jan 1993 | EPX |
Entry |
---|
Patent Abstracts of Japan, vol. 14, No. 451 (E-984) Sep. 1990 & JP-A-02 179 188 (Matsushita) 12 Jul. 1990. |