- All sections
- C - Chemistrymetallurgy
- 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: 57
10-year publication summary
|
0
|
6
|
4
|
3
|
5
|
7
|
2
|
1
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29367 |
4 |
| Covestro Deutschland AG | 2747 |
4 |
| Mangosuthu University of Technology | 4 |
4 |
| AMOREPACIFIC Corporation | 2827 |
3 |
| Centre National de La Recherche Scientifique | 10418 |
2 |
| Beijing Aglaia Technology Development Co., Ltd. | 40 |
2 |
| Council of Scientific and Industrial Research | 604 |
2 |
| The Hong Kong University of Science and Technology | 750 |
2 |
| Kyulux, Inc. | 234 |
2 |
| The University of Hong Kong | 776 |
2 |
| Janssen Pharmaceutica N.V. | 3392 |
1 |
| Syngenta Crop Protection AG | 6054 |
1 |
| Canon Inc. | 39888 |
1 |
| Konica Minolta, Inc. | 8729 |
1 |
| California Institute of Technology | 3976 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
1 |
| Idemitsu Kosan Co., Ltd. | 4219 |
1 |
| Tsinghua University | 5922 |
1 |
| The Trustees of Columbia University in the City of New York | 3568 |
1 |
| JSR Corporation | 2517 |
1 |
| Other owners | 20 |