Ching-Wei Chang
Inventor
Stats
- 24 total patents issued
- 43 total patents filed
- most recent filing
This is official USPTO record data
Details
- 24 Issued Patents
- 43 Filed Patents
- 41 Total Citation Count
- Mar 27, 2009 Most Recent Filing
- Feb 10, 2000 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| SHARP KABUSHIKI KAISHA | 4 2 1 6 1 10 4 3 | 2001 2002 2003 2004 2006 2007 2008 2009 |
| AUDEN TECHNO CORP. | 1 | 2008 |
| CHI MEI COMMUNICATION SYSTEMS, INC. | 2 | 2008 |
| SHARP LABORATORIES OF AMERICA, INC. | 1 1 2 2 2 | 2003 2004 2005 2007 2008 |
| INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE | 1 | 2000 |
Inventor Addresses
| Address | Duration |
|---|---|
| No. 656, Chung Hsing Rd., San Ho, Nantou, TW | Jan 28, 03 - Jan 28, 03 |
| Pa-te City, TW | Jul 09, 09 - Jul 09, 09 |
| Tu-Cheng, TW | Jun 19, 12 - Jun 19, 12 |
| Tu-cheng, TW | Dec 24, 09 - Dec 24, 09 |
| VANCOUVER, WA | Aug 14, 08 - Nov 27, 08 |
| Vancouver, WA | Sep 16, 04 - Aug 26, 08 |
| Vancouver, WA, US | Jun 30, 09 - Oct 09, 12 |
Technology Profile
| Technology | # of Patents | |
|---|---|---|
| G03F: | PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR | 1 |
| G06F: | ELECTRIC DIGITAL DATA PROCESSING | 3 |
| G06K: | RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS | 11 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 8,284,467 | 2012 | Intelligent toner saving for color copying | 0 |
| 8,274,705 | 2012 | Multi-level surround error diffusion | 0 |
| 8,204,484 | 2012 | System and method for managing missed calls and unread messages | 0 |
| 8,134,749 | 2012 | Multi-bit-depth error diffusion for the reproduction of color or monochrome images | 0 |
| 8,059,311 | 2011 | Font and line art rendering for multi-bit output devices | 1 |
