- All sections
- C - Chemistry; metallurgy
- 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: 231
10-year publication summary
|
18
|
16
|
17
|
18
|
16
|
23
|
17
|
10
|
11
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
32 |
| Toray Industries, Inc. | 6652 |
22 |
| Sumitomo Bakelite Co., Ltd. | 1416 |
10 |
| Hitachi Chemical DuPont Microsystems Ltd. | 68 |
8 |
| BASF SE | 19740 |
7 |
| E. I. du Pont de Nemours and Company | 4345 |
7 |
| Central Glass Company, Limited | 1244 |
6 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
5 |
| Taiyo Holdings Co., Ltd. | 221 |
5 |
| Samsung SDI Co., Ltd. | 6671 |
4 |
| Asahi Kasei E-materials Corporation | 222 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
4 |
| Toyo Boseki Kabushiki Kaisha | 472 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| Uop LLC | 4083 |
3 |
| Ajinomoto Co., Inc. | 2337 |
3 |
| Kolon Industries, Inc. | 1506 |
3 |
| Teijin Limited | 1216 |
3 |
| Teijin Techno Products Limited | 24 |
3 |
| Other owners | 92 |