| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Canada | 2 | |
| #3 | Japan | 2 | |
| #4 | South Africa | 2 | |
| #5 | Brazil | 1 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Spain | 1 | |
| #10 | Finland | 1 | |
| #11 | United Kingdom | 1 | |
| #12 | Ireland | 1 | |
| #13 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Surface technology and coating | |
| #2 | Electrical machinery and energy | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Coating metallic material | |
| #2 | Electric discharge tubes | |
| #3 | Treatment of glass |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chambers Douglas L | 4 |
| #2 | Wan Chong Tak | 3 |
| #3 | Chong Tak Wan | 2 |
| #4 | Wan Chong T | 2 |
| #5 | Love Robert B | 2 |
| #6 | Chambers Douglas Lawrence | 2 |
| #7 | Chambers D | 2 |
| #8 | Robaato Buruusu Rabu | 1 |
| #9 | Dagurasu Roorensu Chienbaazu | 1 |
| #10 | Love R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4421622A | Method of making sputtered coatings | |
| ZA8000793B | Cathode for sputtering | |
| US4274936A | Vacuum deposition system and method | |
| US4194962A | Cathode for sputtering |