Number | Date | Country | Kind |
---|---|---|---|
3-58172 | Feb 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4006298 | Fowler et al. | Feb 1977 | |
4021607 | Amano | Jun 1977 | |
4031541 | Arisawa et al. | Jun 1977 | |
4194215 | Shionoya | Mar 1980 | |
4498081 | Fukushima et al. | Feb 1985 | |
5166801 | Yoshikawa | Nov 1992 |
Number | Date | Country |
---|---|---|
0181174 | May 1986 | EPX |
0400286 | Dec 1990 | EPX |
145974 | Jun 1987 | JPX |
145975 | Jun 1987 | JPX |
Entry |
---|
Patent Abstracts of Japan, vol. 4, No. 036, (JP 55-008158), Mar. 1980. |