| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 11 | |
| #2 | United States | 8 | |
| #3 | Japan | 5 | |
| #4 | Republic of Korea | 4 | |
| #5 | China | 3 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Environmental technology | |
| #3 | Measurement | |
| #4 | Computer technology | |
| #5 | Thermal processes | |
| #6 | Telecommunications | |
| #7 | Optics | |
| #8 | Audio-visual technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ma Qiulin | 16 |
| #2 | Chang Kai Huei | 13 |
| #3 | Ganz Oliver | 6 |
| #4 | Green Evan P | 5 |
| #5 | Pontsler Tim Alan | 4 |
| #6 | Ponader Carl W | 4 |
| #7 | Beavers Jr James E | 4 |
| #8 | Koch Kenneth Robert | 4 |
| #9 | Georges Levon Fattal | 3 |
| #10 | Ponader Carl | 3 |
| Publication | Filing date | Title |
|---|---|---|
| JP2021006505A | Quartz glass product and method for forming quartz glass optical member | |
| JP2021001903A | Apparatus and method for preform or tube drawing based on its viscosity | |
| US2020231488A1 | High-strength welding process for making heavy glass preforms with large cross sectional areas | |
| EP3683195A1 | Automated large outside diameter preform tipping process | |
| CN111479786A | Variable diameter seal for optical preform furnace | |
| JP2019006676A | Quartz glass product and method of manufacturing quartz glass optical member |