- 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: 236
10-year publication summary
|
31
|
31
|
27
|
10
|
29
|
12
|
17
|
8
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17856 |
87 |
| Avery Dennison Corporation | 1203 |
10 |
| Unitika Sparklite Ltd. | 9 |
9 |
| Nippon Carbide Industries (Hangzhou) Co., Ltd. | 6 |
5 |
| HJC Corp. | 129 |
4 |
| Apple Inc. | 54252 |
3 |
| Erich Utsch AG | 51 |
3 |
| Kiwa Chemical Industry Co., Ltd. | 25 |
3 |
| Marujin Co., Ltd. | 3 |
3 |
| Nippon Carbide Industries Co., Inc. | 109 |
3 |
| Northern Digital Inc. | 122 |
3 |
| Safe Reflections, Inc. | 8 |
3 |
| Futurus Technology Co., Ltd. | 40 |
3 |
| Rohm and Haas Company | 2895 |
2 |
| PPG Industries Ohio, Inc. | 3419 |
2 |
| Mitsubishi Chemical Corporation | 4475 |
2 |
| Aura Optical Systems, LP | 18 |
2 |
| BAE SYSTEMS plc | 2321 |
2 |
| Clearink Displays, Inc. | 26 |
2 |
| Eastman Chemical Company | 2249 |
2 |
| Other owners | 83 |