- 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: 342
10-year publication summary
|
28
|
41
|
19
|
22
|
19
|
17
|
18
|
18
|
9
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Life Technologies Corporation | 3377 |
12 |
| The University of Tokyo | 4318 |
12 |
| Mitsubishi Gas Chemical Company, Inc. | 3576 |
11 |
| Idemitsu Kosan Co., Ltd. | 4226 |
10 |
| The Johns Hopkins University | 5796 |
8 |
| The Regents of the University of California | 20473 |
7 |
| Massachusetts Institute of Technology | 10192 |
7 |
| The General Hospital Corporation | 4797 |
7 |
| Universal Display Corporation | 2023 |
7 |
| Corteva Agriscience LLC | 2636 |
7 |
| LG Chem, Ltd. | 17805 |
6 |
| The Broad Institute, Inc. | 1922 |
6 |
| Howard Hughes Medical Institute | 231 |
6 |
| HallStar Beauty and Personal Care Innovations Company | 71 |
6 |
| FUJIFILM Corporation | 30206 |
5 |
| Provectus Pharmatech, Inc. | 55 |
5 |
| The Research Foundation for The State University of New York | 1700 |
5 |
| SynAffix B.V. | 119 |
5 |
| Merck Patent GmbH | 5716 |
4 |
| Centre National de La Recherche Scientifique | 10846 |
4 |
| Other owners | 202 |