- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 5/128 - Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
Patent holdings for IPC class G02B 5/128
Total number of patents in this class: 238
10-year publication summary
|
30
|
30
|
27
|
10
|
29
|
11
|
15
|
8
|
9
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17812 |
90 |
| Avery Dennison Corporation | 1184 |
10 |
| Unitika Sparklite Ltd. | 9 |
9 |
| Nippon Carbide Industries (Hangzhou) Co., Ltd. | 7 |
5 |
| HJC Corp. | 132 |
4 |
| Northern Digital Inc. | 128 |
4 |
| Apple Inc. | 55345 |
3 |
| Erich Utsch AG | 50 |
3 |
| Marujin Co., Ltd. | 3 |
3 |
| Nippon Carbide Industries Co., Inc. | 112 |
3 |
| Safe Reflections, Inc. | 8 |
3 |
| Viavi Solutions Inc. | 1443 |
3 |
| Futurus Technology Co., Ltd. | 40 |
3 |
| Rohm and Haas Company | 2891 |
2 |
| PPG Industries Ohio, Inc. | 3442 |
2 |
| Mitsubishi Chemical Corporation | 4535 |
2 |
| Aura Optical Systems, LP | 18 |
2 |
| BAE SYSTEMS plc | 2336 |
2 |
| Clearink Displays, Inc. | 26 |
2 |
| ILUMARK GmbH | 4 |
2 |
| Other owners | 81 |