| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 9 | |
| #2 | France | 4 | |
| #3 | Germany | 3 | |
| #4 | Spain | 2 | |
| #5 | Japan | 2 | |
| #6 | Austria | 1 | |
| #7 | Canada | 1 | |
| #8 | Denmark | 1 | |
| #9 | United Kingdom | 1 | |
| #10 | Italy | 1 | |
| #11 | Sweden | 1 | |
| #12 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machine tools | |
| #3 | Textiles and paper | |
| #4 | Consumer goods | |
| #5 | Civil engineering | |
| #6 | Computer technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cho Chi Liang | 7 |
| #2 | Liang Cho Chi | 5 |
| #3 | Chi Liang Cho | 4 |
| #4 | Chi Rian Chiyoo | 2 |
| #5 | Cho Chi-Liang | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES488221A1 | Improvements in universal measurement machines (Machine-translation by Google Translate, not legally binding) | |
| DE2750383A1 | UNIVERSAL MEASURING MACHINE | |
| CH637763A5 | Self-centring measuring machine having an automatic coordinate-measuring machine | |
| US4061220A | Correcting device for typewriters | |
| JPS5256623A | Device for correcting type of typewriter | |
| GB866142A | Improvements in safety locks | |
| CA514948A | Calculating machine |