CHANG CHAO-HSIUNG has a total of 15 patent applications. Its first patent ever was published in 2011. It filed its patents most often in United States. Its main competitors in its focus markets semiconductors, optics and machines are CARSEM M SDN BHD, TSAI CHUNG CHE and KOBAYAKAWA MASAHIKO.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Semiconductors | |
| #2 | Optics | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Semiconductor devices | |
| #2 | Shaping of plastics | |
| #3 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chang Chao-Hsiung | 15 |
| #2 | Lin Hou-Te | 7 |
| #3 | Chang Chieh-Ling | 3 |
| #4 | Hu Pi-Chiang | 3 |
| #5 | Tsai Ming-Ta | 2 |
| #6 | Lin Shen-Bo | 1 |