- All sections
- B - Performing operationstransporting
- 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: 2082
10-year publication summary
|
0
|
7
|
11
|
161
|
360
|
424
|
332
|
289
|
283
|
165
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 8271 |
303 |
| FUJIFILM Corporation | 29489 |
204 |
| Sumitomo Chemical Company, Limited | 9044 |
119 |
| Dai Nippon Printing Co., Ltd. | 4104 |
104 |
| 3m Innovative Properties Company | 17813 |
55 |
| Agc, Inc. | 4895 |
54 |
| LG Chem, Ltd. | 17636 |
47 |
| Nike, Inc. | 14220 |
40 |
| Zeon Corporation | 4079 |
39 |
| Sekisui Chemical Co., Ltd. | 3439 |
37 |
| Toyobo Co., Ltd. | 2505 |
35 |
| Dexerials Corporation | 1935 |
33 |
| DONGWOO FINE-CHEM Co., Ltd. | 1357 |
23 |
| Mitsubishi Gas Chemical Company, Inc. | 3474 |
23 |
| Konica Minolta, Inc. | 8766 |
20 |
| Saint-Gobain Glass France | 3251 |
20 |
| Toray Industries, Inc. | 6966 |
18 |
| SKC Co., Ltd. | 322 |
18 |
| Corning Incorporated | 10283 |
16 |
| Toppan Printing Co., Ltd. | 2132 |
16 |
| Other owners | 858 |