| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | Canada | 2 | |
| #4 | Republic of Korea | 2 | |
| #5 | United States | 2 | |
| #6 | Brazil | 1 | |
| #7 | China | 1 | |
| #8 | Germany | 1 | |
| #9 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Computer technology | |
| #3 | Basic communication technologies | |
| #4 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Special measuring | |
| #2 | Electric digital data processing | |
| #3 | Optical systems | |
| #4 | Code conversion | |
| #5 | Measuring speed and acceleration |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tseng Hsin-Te | 11 |
| #2 | Tseng Hsin Te | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US2017227383A1 | Optical scanning light-guiding encoder | |
| TW201736804A | Scanning light-guiding encoder by forward focusing | |
| GB9704061D0 | Digital signal output device | |
| FR2759185A3 | Cursor control mechanism e.g. for computer mouse | |
| GB9701789D0 | Cursor control mechanism for three dimensions | |
| GB9622277D0 | Optical encoder and method of reading encoded optical signal | |
| GB9608718D0 | Double grid mechanical encoder |