- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 311/86 - Oxygen atoms, e.g. xanthones
Patent holdings for IPC class C07D 311/86
Total number of patents in this class: 132
10-year publication summary
|
7
|
10
|
3
|
15
|
11
|
6
|
5
|
6
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo University of Science Foundation | 343 |
6 |
| Argenta Discovery Ltd. | 53 |
5 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
4 |
| Cleen Technology Inc. | 10 |
4 |
| Canon Inc. | 36841 |
3 |
| Auckland UniServices Limited | 503 |
3 |
| FUJIFILM Wako Pure Chemical Corporation | 158 |
3 |
| 3bc, LLC | 3 |
3 |
| Hoffmann-La Roche Inc. | 3060 |
2 |
| Agfa Graphics NV | 308 |
2 |
| AnaSpec Incorporated | 29 |
2 |
| Arkema France | 3790 |
2 |
| Dongjin Semichem Co., Ltd. | 438 |
2 |
| Georgia State University Research Foundation, Inc. | 332 |
2 |
| Keio University | 1053 |
2 |
| Kinki University | 225 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
2 |
| Mitsubishi Tanabe Pharma Corporation | 579 |
2 |
| Museum National D'histoire Naturelle | 36 |
2 |
| Soonchunhyang University Industry Academy Cooperation Foundation | 128 |
2 |
| Other owners | 77 |