| # | Name | Location | Applications |
|---|---|---|---|
| 1. | K & K Ventures, LLC | 🇺🇸 Cheyenne, WY, United States | 1 |
| 2. | K. K. Vayu | 🇯🇵 Nagoya, Japan | 1 |
| 3. | K.K. Video Research | 🇯🇵 Chiyoda-ku, Japan | 1 |
| 4. | KKV MARKEN-UND PATENTSCHUTZ GBR | 🇩🇪 Solingen, Germany | 1 |
| 5. | KKVV GMBH | 🇩🇪 BOTTROP, Germany | 2 |