Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6044334 | Method for calculating an amount and determining a position of an eccentric mass of a rotary head apparatus of a fixed shaft type and apparatus for calculating and determining the same | Yun YANG | 2000-03-28 |
| 5870257 | Head drum assembly for use in a digital video cassette recorder | — | 1999-02-09 |
| 5808212 | Apparatus for testing components to be incorporated in a video cassette recorder | — | 1998-09-15 |
| 5798893 | Head drum assembly for use in a video cassette recorder | — | 1998-08-25 |
| 5796559 | Signal transmitting device with an optical coupler for use in a head drum assembly | — | 1998-08-18 |
| 5781382 | Rotary head drum for a VCR having an improved connection structure between a VCR head and a rotary transformer | — | 1998-07-14 |
| 5700960 | Apparatus for testing components to be incorporated in a video cassette recorder | — | 1997-12-23 |