- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/193 - Hydroxy compounds containing aromatic rings containing two or more aromatic rings
Patent holdings for IPC class C08G 63/193
Total number of patents in this class: 126
10-year publication summary
|
9
|
10
|
13
|
12
|
6
|
6
|
7
|
11
|
6
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4445 |
13 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
10 |
| FUJIFILM Corporation | 27102 |
8 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
6 |
| Kyocera Document Solutions Inc. | 5295 |
6 |
| Nitto Denko Corporation | 7879 |
5 |
| Unitika Ltd. | 441 |
5 |
| Mitsubishi Chemical Corporation | 4313 |
4 |
| SHPP Global Technologies B.V. | 1045 |
4 |
| Canon Inc. | 36841 |
3 |
| ExxonMobil Chemical Patents Inc. | 4286 |
3 |
| Virginia Tech Intellectual Properties, Inc. | 772 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
2 |
| Toray Industries, Inc. | 6652 |
2 |
| Council of Scientific & Industrial Research | 1397 |
2 |
| DIC Corporation | 3597 |
2 |
| Institut Polytechnique de Bordeaux | 356 |
2 |
| Universite de Bordeaux | 778 |
2 |
| ENEOS Corporation | 611 |
2 |
| FUJIFILM Business Innovation Corp. | 7395 |
2 |
| Other owners | 40 |