Number | Date | Country | Kind |
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3-035711 | Feb 1991 | JPX | |
3-103578 | Apr 1991 | JPX |
Number | Name | Date | Kind |
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4946766 | Fukagai | Aug 1990 | |
5079117 | Koyama et al. | Jan 1992 |
Number | Date | Country |
---|---|---|
394142 | Oct 1990 | EPX |
402260 | Dec 1990 | EPX |
48-47344 | Jul 1973 | JPX |
51-126148 | Nov 1976 | JPX |
52-20836 | Feb 1977 | JPX |
52-25638 | Feb 1977 | JPX |
53-89435 | Aug 1978 | JPX |
55-103556 | Aug 1980 | JPX |
2-115858 | Apr 1990 | JPX |
Entry |
---|
Patent Abstracts of Japan, vol. 12, No. 147 [P-698] (2994) May 7, 1988. |
Patent Abstracts of Japan, vol. 14, No. 337 ]P-1079] (4280) Jul. 20, 1990. |