- All sections
- B - Performing operations; transporting
- B32B - Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
- B32B 7/023 - Optical properties
Patent holdings for IPC class B32B 7/023
Total number of patents in this class: 1706
10-year publication summary
|
1
|
3
|
12
|
17
|
165
|
364
|
415
|
338
|
289
|
92
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 7879 |
245 |
| FUJIFILM Corporation | 27102 |
171 |
| Sumitomo Chemical Company, Limited | 8808 |
116 |
| Dai Nippon Printing Co., Ltd. | 3891 |
77 |
| LG Chem, Ltd. | 17205 |
55 |
| Agc, Inc. | 4029 |
44 |
| 3m Innovative Properties Company | 18406 |
43 |
| Nike, Inc. | 13075 |
43 |
| Zeon Corporation | 3854 |
36 |
| Sekisui Chemical Co., Ltd. | 3159 |
29 |
| Dexerials Corporation | 1826 |
28 |
| Toyobo Co., Ltd. | 2286 |
24 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
21 |
| Saint-Gobain Glass France | 3641 |
20 |
| SKC Co., Ltd. | 311 |
18 |
| Toppan Printing Co., Ltd. | 2212 |
16 |
| Toray Industries, Inc. | 6652 |
15 |
| Konica Minolta, Inc. | 8349 |
14 |
| Daicel Corporation | 2128 |
14 |
| Toppan Inc. | 746 |
14 |
| Other owners | 663 |