- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/62 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulfur atoms in position 2 or 4 with aryl radicals attached in position 2 with oxygen atoms directly attached in position 3, e.g. anthocyanidins
Patent holdings for IPC class C07D 311/62
Total number of patents in this class: 179
10-year publication summary
|
12
|
7
|
6
|
6
|
8
|
13
|
12
|
11
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 4968 |
8 |
| Suntory Holdings Limited | 2040 |
7 |
| Epirium Bio Inc. | 44 |
7 |
| Mars, Incorporated | 2930 |
5 |
| Wood One Co., Ltd. | 14 |
5 |
| Zhejiang University | 3167 |
4 |
| Northwestern University | 3401 |
3 |
| ITO En, Ltd. | 174 |
3 |
| North Carolina State University | 1564 |
3 |
| Université du Québec à Chicoutimi | 51 |
3 |
| Suntec Medical, Inc. | 18 |
3 |
| Merck Patent GmbH | 5812 |
2 |
| Asahi Breweries, Ltd. | 231 |
2 |
| Beth Israel Deaconess Medical Center, Inc. | 857 |
2 |
| The Brigham and Women's Hospital, Inc. | 2197 |
2 |
| The Cleveland Clinic Foundation | 1572 |
2 |
| Genesis Group Inc. | 14 |
2 |
| The Hong Kong Polytechnic University | 475 |
2 |
| Investissement Québec | 87 |
2 |
| Lda AG | 5 |
2 |
| Other owners | 110 |