Yi-Shiang Chang
Inventor
Stats
- 3 US patents issued
- 6 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 3 US Patents Issued
- 6 US Applications Filed
- 22 Total Citation Count
- Oct 12, 2015 Most Recent Filing
- Sep 11, 2008 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| POWERCHIP TECHNOLOGY CORPORATION | 4
1 3 | 2012
2013 2015 |
| POWERCHIP SEMICONDUCTOR CORP. | 1
| 2008
|
Inventor Addresses
| Address | Duration |
|---|---|
| Changhua County, TW | Mar 11, 10 - Nov 29, 16 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| G03B: | APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR | 1 |
| 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 |
| G06K: | RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 9508138 | 2016 | Method of detecting photolithographic hotspots | 0 |
| 2016/0321,793 | 2016 | METHOD OF DETECTING PHOTOLITHOGRAPHIC HOTSPOTS | 1 |
| 2016/0035,733 | 2016 | SEMICONDUCTOR CIRCUIT STRUCTURE | 0 |
| 9196623 | 2015 | Semiconductor circuit structure and process of making the same | 0 |
| 2014/0255,829 | 2014 | MASK FOR DUAL TONE DEVELOPMENT | 1 |
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