Number | Date | Country | Kind |
---|---|---|---|
4-331624 | Dec 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4892392 | Broer | Jan 1990 | |
5256456 | Ogawa | Oct 1993 | |
5315419 | Soupe et al. | May 1994 |
Number | Date | Country |
---|---|---|
0261712 | Mar 1988 | EPX |
282254 | Sep 1988 | EPX |
0386782 | Sep 1990 | EPX |
57-79915 | May 1982 | JPX |
58-123520 | Jul 1983 | JPX |
64-6924 | Jan 1989 | JPX |
02165119 | Jun 1990 | JPX |
4-204416 | Jul 1992 | JPX |
Entry |
---|
T. Uchida et al., Electronics and Communications in Japan, 58-C(4):132-135 (Apr. 1975). |
Patent Abstracts of Japan, vol. 7, No. 238 (Oct. 1983). |
Patent Abstracts of Japan, vol. 12, No. 114 (Apr. 1988). |
Patent Abstracts of Japan, vol. 11, No. 386 (Dec. 1987). |