- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 6/16 - Refractive index
Patent holdings for IPC class A61K 6/16
Total number of patents in this class: 63
10-year publication summary
|
0
|
2
|
6
|
5
|
6
|
5
|
8
|
12
|
5
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokuyama Dental Corporation | 223 |
16 |
| Kuraray Noritake Dental Inc. | 437 |
10 |
| Solventum Intellectual Properties Company | 3335 |
5 |
| Ivoclar Vivadent AG | 1055 |
4 |
| 3m Innovative Properties Company | 17820 |
3 |
| GC Corporation | 449 |
3 |
| Shofu, Inc. | 199 |
3 |
| Ricoh Company, Ltd. | 13276 |
2 |
| Bay Materials, LLC | 46 |
2 |
| Mühlbauer Technology GmbH | 320 |
2 |
| Straumann Holding AG | 587 |
2 |
| Align Technology, Inc. | 2129 |
1 |
| DENTSPLY SIRONA Inc. | 1856 |
1 |
| edelweiss dentistry products gmbh | 8 |
1 |
| James R. Glidewell Dental Ceramics, Inc. | 250 |
1 |
| Queen Mary University of London | 243 |
1 |
| Vericom Co. Ltd | 31 |
1 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 297 |
1 |
| VOCO GmbH | 204 |
1 |
| Pallette Stone Corporation | 4 |
1 |
| Other owners | 2 |