- 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: 2332
10-year publication summary
|
12
|
17
|
165
|
368
|
430
|
345
|
298
|
287
|
247
|
154
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 8589 |
329 |
| FUJIFILM Corporation | 30689 |
219 |
| Sumitomo Chemical Company, Limited | 8965 |
122 |
| Dai Nippon Printing Co., Ltd. | 4270 |
114 |
| Agc, Inc. | 5634 |
69 |
| 3m Innovative Properties Company | 17455 |
60 |
| LG Chem, Ltd. | 17970 |
49 |
| Zeon Corporation | 4173 |
42 |
| Nike, Inc. | 14922 |
41 |
| Toyobo Co., Ltd. | 2544 |
41 |
| Sekisui Chemical Co., Ltd. | 3639 |
40 |
| Dexerials Corporation | 2006 |
38 |
| DONGWOO FINE-CHEM Co., Ltd. | 1445 |
28 |
| Mitsubishi Gas Chemical Company, Inc. | 3643 |
25 |
| Toray Industries, Inc. | 7149 |
21 |
| Saint-Gobain Glass France | 3243 |
21 |
| Konica Minolta, Inc. | 9176 |
20 |
| Samsung Electronics Co., Ltd. | 159029 |
19 |
| Lintec Corporation | 2026 |
18 |
| Saint-Gobain Sekurit France | 848 |
18 |
| Other owners | 998 |