- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 5/30 - Polarising elements
Patent holdings for IPC class G02B 5/30
Total number of patents in this class: 14174
10-year publication summary
|
1047
|
1268
|
1167
|
1211
|
1260
|
1250
|
1174
|
1021
|
820
|
217
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
1714 |
| Nitto Denko Corporation | 7879 |
1431 |
| Sumitomo Chemical Company, Limited | 8808 |
791 |
| LG Chem, Ltd. | 17205 |
634 |
| 3m Innovative Properties Company | 18406 |
505 |
| Zeon Corporation | 3854 |
425 |
| Konica Minolta, Inc. | 8349 |
315 |
| Dai Nippon Printing Co., Ltd. | 3891 |
266 |
| Samsung Display Co., Ltd. | 30585 |
256 |
| Samsung SDI Co., Ltd. | 6671 |
235 |
| Konica Minolta Opto, Inc. | 1179 |
225 |
| DONGWOO FINE-CHEM Co., Ltd. | 1163 |
212 |
| Samsung Electronics Co., Ltd. | 131630 |
206 |
| Boe Technology Group Co., Ltd. | 35384 |
197 |
| META Platforms Technologies, LLC | 4806 |
190 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
142 |
| Sharp Kabushiki Kaisha | 18957 |
134 |
| Kuraray Co., Ltd. | 3392 |
131 |
| Dexerials Corporation | 1826 |
116 |
| DIC Corporation | 3597 |
114 |
| Other owners | 5935 |