Number | Date | Country | Kind |
---|---|---|---|
1-135447 | May 1989 | JPX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/JP90/00616 | 5/15/1990 | 1/8/1990 | 1/8/1990 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO90/15456 | 12/13/1990 |
Number | Name | Date | Kind |
---|---|---|---|
4953176 | Ekstrand | Aug 1990 |
Number | Date | Country |
---|---|---|
0254747 | Mar 1988 | EPX |
0003491 | Jan 1979 | JPX |
0209878 | Sep 1987 | JPX |
Entry |
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Patent Abstract of Japan, vol. 11, No. 288 (E-542) [2735], 17th Sep. 1987; & JP-A-62-88 384 (Mitsubishi Electric) Apr. 22, 1987 * Total *. |
Patent Abstract of Japan, vol. 9, No. 131 (E-319) [1854], 6th Jun. 1985; & JP-A-60-17 975 (Mitsubishi Denki) Feb. 29, 1985 * Total *. |
Patent Abstract of Japan, vol. 11, No. 148 (E-506) [2595], 14th May 1987; & JP-A-61 287 285 (Hitachi) Dec. 17, 1986 * Total *. |