- 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: 5338
10-year publication summary
|
468
|
457
|
462
|
415
|
365
|
339
|
317
|
240
|
206
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17589 |
244 |
| Dai Nippon Printing Co., Ltd. | 4179 |
203 |
| Nitto Denko Corporation | 8421 |
128 |
| Sharp Kabushiki Kaisha | 18632 |
128 |
| FUJIFILM Corporation | 30126 |
109 |
| Sumitomo Chemical Company, Limited | 9064 |
106 |
| Corning Incorporated | 10405 |
88 |
| Agc, Inc. | 5192 |
81 |
| Samsung Electronics Co., Ltd. | 152304 |
76 |
| Keiwa Inc. | 190 |
71 |
| Samsung Display Co., Ltd. | 37467 |
66 |
| Panasonic Intellectual Property Management Co., Ltd. | 33168 |
66 |
| Dexerials Corporation | 1980 |
62 |
| Boe Technology Group Co., Ltd. | 42660 |
60 |
| Daicel Corporation | 2443 |
57 |
| LG Chem, Ltd. | 17778 |
56 |
| Lintec Corporation | 1990 |
55 |
| Toppan Printing Co., Ltd. | 2107 |
46 |
| Tomoegawa Co., Ltd. | 230 |
42 |
| LMS Co., Ltd. | 239 |
39 |
| Other owners | 3555 |