- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 5/28 - Interference filters
Patent holdings for IPC class G02B 5/28
Total number of patents in this class: 2833
10-year publication summary
|
209
|
238
|
252
|
280
|
339
|
264
|
264
|
220
|
218
|
73
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
163 |
| Viavi Solutions Inc. | 1363 |
124 |
| Konica Minolta, Inc. | 8349 |
114 |
| Agc, Inc. | 4029 |
90 |
| FUJIFILM Corporation | 27102 |
66 |
| Seiko Epson Corporation | 18724 |
61 |
| Essilor International (compagnie Generale D'optique) | 2918 |
57 |
| Apple Inc. | 50209 |
49 |
| Hamamatsu Photonics K.K. | 4161 |
49 |
| Nike, Inc. | 13075 |
48 |
| Samsung Electronics Co., Ltd. | 131630 |
46 |
| Asahi Glass Company, Limited | 2985 |
31 |
| Boe Technology Group Co., Ltd. | 35384 |
31 |
| Nippon Electric Glass Co., Ltd. | 2299 |
31 |
| Sony Semiconductor Solutions Corporation | 8770 |
31 |
| JSR Corporation | 2476 |
29 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
26 |
| Saint-Gobain Glass France | 3641 |
26 |
| Toppan Printing Co., Ltd. | 2212 |
26 |
| LG Chem, Ltd. | 17205 |
23 |
| Other owners | 1712 |