- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 5/02 - Diffusing elementsAfocal elements
Patent holdings for IPC class G02B 5/02
Total number of patents in this class: 5373
10-year publication summary
|
471
|
465
|
466
|
418
|
372
|
344
|
323
|
246
|
210
|
119
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17488 |
246 |
| Dai Nippon Printing Co., Ltd. | 4237 |
206 |
| Nitto Denko Corporation | 8526 |
128 |
| Sharp Kabushiki Kaisha | 18530 |
127 |
| FUJIFILM Corporation | 30512 |
106 |
| Sumitomo Chemical Company, Limited | 8996 |
105 |
| Corning Incorporated | 10500 |
89 |
| Agc, Inc. | 5502 |
83 |
| Samsung Electronics Co., Ltd. | 157557 |
76 |
| Keiwa Inc. | 201 |
75 |
| Samsung Display Co., Ltd. | 38570 |
65 |
| Daicel Corporation | 2508 |
63 |
| Dexerials Corporation | 2005 |
63 |
| Boe Technology Group Co., Ltd. | 44004 |
62 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
56 |
| Lintec Corporation | 2008 |
56 |
| LG Chem, Ltd. | 17921 |
54 |
| Toppan Printing Co., Ltd. | 2088 |
46 |
| Tomoegawa Co., Ltd. | 227 |
42 |
| LMS Co., Ltd. | 242 |
39 |
| Other owners | 3586 |