- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 321/00 - Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups
Patent holdings for IPC class C07D 321/00
Total number of patents in this class: 159
10-year publication summary
|
17
|
12
|
13
|
11
|
16
|
7
|
10
|
6
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corsair Pharma, Inc. | 37 |
13 |
| Ramot at Tel-Aviv University Ltd. | 1501 |
13 |
| International Business Machines Corporation | 61747 |
7 |
| FUJIFILM Corporation | 29839 |
6 |
| Dow AgroSciences LLC | 1214 |
5 |
| Life Technologies Corporation | 3351 |
5 |
| Eisai R&D Management Co., Ltd. | 1204 |
5 |
| Murata Manufacturing Co., Ltd. | 25020 |
3 |
| The Board of Trustees of the Leland Stanford Junior University | 6541 |
3 |
| Purdue Research Foundation | 3732 |
3 |
| JNC Corporation | 1507 |
3 |
| JNC Petrochemical Corporation | 326 |
3 |
| Universite Paris Diderot - Paris 7 | 355 |
3 |
| Sorbonne Universite | 1346 |
3 |
| Centre National de La Recherche Scientifique (cnrs) | 3091 |
3 |
| Verbio SE | 32 |
3 |
| BASF SE | 21098 |
2 |
| Toray Industries, Inc. | 7015 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2735 |
2 |
| Beckman Coulter, Inc. | 1295 |
2 |
| Other owners | 70 |