- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 309/34 - Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
Patent holdings for IPC class C07D 309/34
Total number of patents in this class: 60
10-year publication summary
|
2
|
0
|
6
|
4
|
3
|
5
|
8
|
2
|
1
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mangosuthu University of Technology | 4 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| AMOREPACIFIC Corporation | 2606 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
2 |
| Beijing Aglaia Technology Development Co., Ltd. | 40 |
2 |
| Council of Scientific and Industrial Research | 670 |
2 |
| Covestro Deutschland AG | 2429 |
2 |
| Hokuriku University | 6 |
2 |
| The Hong Kong University of Science and Technology | 638 |
2 |
| Kyulux, Inc. | 191 |
2 |
| National University Corporation University of Fukui | 26 |
2 |
| Taiyo Nippon Sanso Corporation | 356 |
2 |
| The University of Hong Kong | 662 |
2 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
2 |
| Agrematch Ltd. | 8 |
2 |
| Janssen Pharmaceutica N.V. | 3839 |
1 |
| Canon Inc. | 36841 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
1 |
| Konica Minolta, Inc. | 8349 |
1 |
| California Institute of Technology | 3884 |
1 |
| Other owners | 21 |