- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 73/22 - Polybenzoxazoles
Patent holdings for IPC class C08G 73/22
Total number of patents in this class: 225
10-year publication summary
|
17
|
18
|
16
|
23
|
18
|
10
|
11
|
14
|
8
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30594 |
34 |
| Toray Industries, Inc. | 7139 |
26 |
| Hitachi Chemical DuPont Microsystems Ltd. | 57 |
7 |
| BASF SE | 21306 |
6 |
| Central Glass Company, Limited | 1297 |
6 |
| Mitsubishi Gas Chemical Company, Inc. | 3634 |
5 |
| Sumitomo Bakelite Co., Ltd. | 1541 |
5 |
| Taiyo Holdings Co., Ltd. | 324 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48560 |
4 |
| Samsung SDI Co., Ltd. | 10719 |
4 |
| Asahi Kasei E-materials Corporation | 202 |
4 |
| Samsung Electronics Co., Ltd. | 158442 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 6120 |
3 |
| Uop LLC | 4390 |
3 |
| Ajinomoto Co., Inc. | 2281 |
3 |
| The United States of America as represented by the Secretary of the Army | 1260 |
3 |
| Kolon Industries, Inc. | 1850 |
3 |
| Nippon Kayaku Kabushiki Kaisha | 1462 |
3 |
| Toyo Boseki Kabushiki Kaisha | 279 |
3 |
| Daikin Industries, Ltd. | 10502 |
2 |
| Other owners | 93 |