- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 5/02 - Diffusing elements; Afocal elements
Patent holdings for IPC class G02B 5/02
Total number of patents in this class: 5170
10-year publication summary
|
429
|
489
|
471
|
464
|
465
|
418
|
366
|
332
|
307
|
77
|
| 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 |
234 |
| Dai Nippon Printing Co., Ltd. | 3891 |
203 |
| Sharp Kabushiki Kaisha | 18957 |
132 |
| FUJIFILM Corporation | 27102 |
122 |
| Nitto Denko Corporation | 7879 |
116 |
| Sumitomo Chemical Company, Limited | 8808 |
105 |
| Corning Incorporated | 9932 |
77 |
| LG Chem, Ltd. | 17205 |
76 |
| Samsung Electronics Co., Ltd. | 131630 |
68 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
66 |
| Agc, Inc. | 4029 |
66 |
| Samsung Display Co., Ltd. | 30585 |
62 |
| Dexerials Corporation | 1826 |
58 |
| Boe Technology Group Co., Ltd. | 35384 |
52 |
| Daicel Corporation | 2128 |
52 |
| Keiwa Inc. | 150 |
51 |
| Toppan Printing Co., Ltd. | 2212 |
51 |
| Lintec Corporation | 1915 |
45 |
| Kimoto Co., Ltd. | 176 |
43 |
| Tomoegawa Co., Ltd. | 252 |
43 |
| Other owners | 3448 |