- 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: 3200
10-year publication summary
|
252
|
281
|
339
|
270
|
270
|
226
|
241
|
204
|
181
|
112
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17458 |
206 |
| Viavi Solutions Inc. | 1529 |
161 |
| Agc, Inc. | 5577 |
131 |
| Konica Minolta, Inc. | 9150 |
113 |
| FUJIFILM Corporation | 30594 |
76 |
| Seiko Epson Corporation | 20337 |
65 |
| Essilor International (compagnie Generale D'optique) | 2997 |
60 |
| Hamamatsu Photonics K.K. | 4697 |
59 |
| Apple Inc. | 59027 |
55 |
| Samsung Electronics Co., Ltd. | 158442 |
50 |
| Nike, Inc. | 14874 |
42 |
| Sony Semiconductor Solutions Corporation | 11717 |
42 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
41 |
| Nippon Electric Glass Co., Ltd. | 2558 |
35 |
| Corning Incorporated | 10504 |
33 |
| Boe Technology Group Co., Ltd. | 44409 |
32 |
| Asahi Glass Company, Limited | 2606 |
31 |
| JSR Corporation | 2552 |
31 |
| Hoya Lens Thailand Ltd. | 618 |
27 |
| Saint-Gobain Glass France | 3238 |
26 |
| Other owners | 1884 |