- 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: 1919
10-year publication summary
|
3
|
12
|
17
|
165
|
367
|
426
|
342
|
292
|
278
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 8089 |
277 |
| FUJIFILM Corporation | 28805 |
190 |
| Sumitomo Chemical Company, Limited | 8988 |
117 |
| Dai Nippon Printing Co., Ltd. | 3976 |
86 |
| LG Chem, Ltd. | 17639 |
57 |
| 3m Innovative Properties Company | 17957 |
52 |
| Agc, Inc. | 4470 |
51 |
| Nike, Inc. | 13657 |
40 |
| Zeon Corporation | 3995 |
38 |
| Sekisui Chemical Co., Ltd. | 3308 |
32 |
| Dexerials Corporation | 1920 |
31 |
| Toyobo Co., Ltd. | 2423 |
29 |
| Saint-Gobain Glass France | 3788 |
26 |
| DONGWOO FINE-CHEM Co., Ltd. | 1258 |
23 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
22 |
| Konica Minolta, Inc. | 8535 |
18 |
| SKC Co., Ltd. | 320 |
18 |
| Toray Industries, Inc. | 6855 |
17 |
| Toppan Printing Co., Ltd. | 2158 |
16 |
| Daicel Corporation | 2245 |
15 |
| Other owners | 764 |