- All sections
- C - Chemistrymetallurgy
- C12N - Microorganisms or enzymescompositions thereofpropagating, preserving, or maintaining microorganismsmutation or genetic engineeringculture media
- C12N 5/20 - Murine cells, e.g. mouse cells one of the fusion partners being a B lymphocyte
Patent holdings for IPC class C12N 5/20
Total number of patents in this class: 330
10-year publication summary
|
9
|
11
|
13
|
20
|
21
|
23
|
23
|
19
|
10
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangnan University | 1543 |
9 |
| Regeneron Pharmaceuticals, Inc. | 4370 |
9 |
| Tianjin Era Biology Technology Co., Ltd. | 9 |
8 |
| Genentech, Inc. | 4012 |
7 |
| Beijing Gold Mountainriver Tech Development Co., Ltd. | 7 |
7 |
| F. Hoffmann-La Roche AG | 7946 |
5 |
| Akeso Biopharma, Inc. | 97 |
5 |
| Shanghai GenBase Biotechnology Co., Ltd. | 30 |
5 |
| Dongguan Pengzhi Biotechnology Co., Ltd. | 36 |
5 |
| Taizhou EnZe Medical Center (Group) | 10 |
4 |
| Samsung Electronics Co., Ltd. | 148077 |
3 |
| Hoffmann-La Roche Inc. | 3489 |
3 |
| AC Immune S.A. | 271 |
3 |
| Epitomics, Inc. | 38 |
3 |
| Jiangsu Hansoh Pharmaceutical Group Co., Ltd. | 309 |
3 |
| Mochida Pharmaceutical Co., Ltd. | 337 |
3 |
| Qilu Pharmaceutical Co., Ltd. | 80 |
3 |
| Xiamen University | 537 |
3 |
| Shanghai Hansoh Biomedical Co., Ltd. | 273 |
3 |
| Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd. | 300 |
3 |
| Other owners | 236 |