- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/94 - Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems condensed with rings other than six-membered or with ring systems containing such rings
Patent holdings for IPC class C07D 311/94
Total number of patents in this class: 248
10-year publication summary
|
9
|
17
|
22
|
9
|
12
|
13
|
8
|
26
|
16
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Transitions Optical, Inc. | 233 |
20 |
| Tokuyama Corporation | 1484 |
17 |
| inkbox ink Inc. | 36 |
9 |
| BIC Inc. | 200 |
8 |
| Hoya Lens Thailand Ltd. | 623 |
8 |
| Transitions Optical Limited | 175 |
8 |
| Rodenstock GmbH | 396 |
6 |
| BASF SE | 21320 |
5 |
| The Board of Trustees of the University of Illinois | 2753 |
5 |
| Fosun Orinove Pharmatech, Inc. | 12 |
5 |
| E. I. du Pont de Nemours and Company | 3473 |
4 |
| Ache Laboratorios Farmaceuticos S.A. | 24 |
4 |
| Apotex Pharmachem Inc. | 22 |
4 |
| Soochow University | 1787 |
4 |
| University of Florida Research Foundation, Inc. | 4196 |
3 |
| Domain Therapeutics | 62 |
3 |
| Gilead Sciences, Inc. | 2242 |
3 |
| Technische Universitat Munchen | 713 |
3 |
| The University of Sydney | 642 |
3 |
| UNM Rainforest Innovations | 495 |
3 |
| Other owners | 123 |