Number | Date | Country | Kind |
---|---|---|---|
60-82870 | Apr 1985 | JPX | |
60-97218 | May 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4412454 | Yamashita et al. | Nov 1983 | |
4625562 | Yamashita et al. | Dec 1986 |
Number | Date | Country |
---|---|---|
61-262064 | Apr 1986 | JPX |
Entry |
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JP-A-58 221 139 Patent Abstracts of Japan, vol. 8, No. 75 (p. 226) [1512] 7th Apr. 1984; (Matsushita Denki Sangyo K.K.) |
JP-A-57 79 461 Patent Abstracts of Japan, vol. 6, No. 162 (p-137) [1040] 25 Aug. 1982 (Hitachi Seisakusho). |
WO-A-79/00 369 Jilkon, Leif, 28 Jun. 1979. |