| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 8 | |
| #2 | United States | 7 | |
| #3 | WIPO (World Intellectual Property Organization) | 5 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Brazil | 2 | |
| #6 | Australia | 1 | |
| #7 | Slovakia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Materials and metallurgy | |
| #3 | Environmental technology | |
| #4 | Electrical machinery and energy | |
| #5 | Optics | |
| #6 | Chemical engineering | |
| #7 | Thermal processes | |
| #8 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kolberg Uwe | 5 |
| #2 | Roemer Hildegard | 4 |
| #3 | Ostendarp Heinrich | 3 |
| #4 | Schmidbauer Wolfgang | 3 |
| #5 | Leister Michael | 2 |
| #6 | Melson Sabine Dr | 2 |
| #7 | Ohmstede Volker | 2 |
| #8 | Kieffer Werner | 2 |
| #9 | Schnabel Roland | 2 |
| #10 | Leutner Kurt | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP1271198A1 | Optical filter arrangement | |
| US6553789B1 | Quartz glass plates with high refractive index homogeneity |