Tai; Hwai T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tai; Hwai T..The latest application filed is for "method and apparatus for locally switching gray dot types to reproduce an image with gray level printing".
- Tai; Hwai T. - Rochester NY
- Tai; Hwai T. - Greece NY
| Patent | Date |
|---|---|
| Method and apparatus for locally switching gray dot types to reproduce an image with gray level printing Grant 5,625,460 - Tai April 29, 1 | 1997-04-29 |
| Method and apparatus of copying of black text on documents using a color scanner Grant 5,477,335 - Tai December 19, 1 | 1995-12-19 |
| Mixed matrix image processing for rendering halftone images with variable dot sizes Grant 5,198,910 - Ng , et al. March 30, 1 | 1993-03-30 |
| Error diffusion of overlapping dots Grant 5,087,981 - Ng , et al. February 11, 1 | 1992-02-11 |
| Pixel interpolator with edge sharpening Grant 5,054,100 - Tai October 1, 1 | 1991-10-01 |
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