- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 305/00 - Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
Patent holdings for IPC class C07D 305/00
Total number of patents in this class: 56
10-year publication summary
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0
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1
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2
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1
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0
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1
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0
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3
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lcy Biosciences Inc. | 14 |
5 |
| F. Hoffmann-La Roche AG | 7796 |
2 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 89 |
2 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 87 |
2 |
| Cornell Research Foundation, Inc. | 169 |
2 |
| The Research Foundation of State University of New York | 363 |
2 |
| Samyang Holdings Corporation | 215 |
2 |
| The Regents of the University of California | 20868 |
1 |
| NEC Corporation | 37312 |
1 |
| Janssen Pharmaceutica N.V. | 3150 |
1 |
| Wisconsin Alumni Research Foundation | 3902 |
1 |
| Kao Corporation | 5096 |
1 |
| Life Technologies Corporation | 3458 |
1 |
| Accord Healthcare Ltd. | 1 |
1 |
| AMOREPACIFIC Corporation | 2915 |
1 |
| Aventis Pharma S.A. | 39 |
1 |
| Biocon Limited | 221 |
1 |
| Burnham Institute for Medical Research | 51 |
1 |
| Chemetall GmbH | 353 |
1 |
| Ensyn Renewables, Inc. | 74 |
1 |
| Other owners | 26 |