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| Number | Title | Issue Date |
| 5895632 | Discharging and dust removing method and discharging and dust removing apparatus The invention provides a discharging method by which charge can be removed readily, uniformly and efficiently from a surface of a working object even where the surface has a complicated charge pattern of a large number of small positive and negative charg... | 04/20/1999 |
| 5683556 | Discharging and dust removing method and discharging and dust removing apparatus The invention provides a discharging method by which charges can be removed readily, uniformly and efficiently from a surface of a working object even where the surface has a complicated charge pattern of a large number of small positive and negative char... | 11/04/1997 |
| 5486993 | Controlling apparatus for high frequency high voltage power source for corona discharge processing A controlling apparatus for a high frequency high voltage power source is disclosed which eliminates a switching loss of a high frequency invertor and allows adjustment of the output power to be performed continuously and accurately over a wide range. A r... | 01/23/1996 |