- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/82 - Xanthenes
Patent holdings for IPC class C07D 311/82
Total number of patents in this class: 338
10-year publication summary
|
27
|
30
|
41
|
19
|
21
|
22
|
18
|
18
|
18
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The University of Tokyo | 4176 |
13 |
| Life Technologies Corporation | 3298 |
12 |
| Mitsubishi Gas Chemical Company, Inc. | 3465 |
11 |
| The Johns Hopkins University | 5667 |
8 |
| Idemitsu Kosan Co., Ltd. | 4219 |
8 |
| The Regents of the University of California | 19918 |
7 |
| Massachusetts Institute of Technology | 10057 |
7 |
| Universal Display Corporation | 1909 |
7 |
| Corteva Agriscience LLC | 2669 |
7 |
| LG Chem, Ltd. | 17632 |
6 |
| The General Hospital Corporation | 4733 |
6 |
| The Broad Institute, Inc. | 1808 |
6 |
| HallStar Beauty and Personal Care Innovations Company | 68 |
6 |
| FUJIFILM Corporation | 29367 |
5 |
| Provectus Pharmatech, Inc. | 49 |
5 |
| The Research Foundation for The State University of New York | 1617 |
5 |
| SynAffix B.V. | 107 |
5 |
| Merck Patent GmbH | 5831 |
4 |
| Centre National de La Recherche Scientifique | 10418 |
4 |
| Samsung SDI Co., Ltd. | 8319 |
4 |
| Other owners | 202 |