- All sections
- C - Chemistrymetallurgy
- C12N - Microorganisms or enzymescompositions thereofpropagating, preserving, or maintaining microorganismsmutation or genetic engineeringculture media
- C12N 1/21 - BacteriaCulture media therefor modified by introduction of foreign genetic material
Patent holdings for IPC class C12N 1/21
Total number of patents in this class: 6490
10-year publication summary
|
307
|
304
|
281
|
310
|
346
|
310
|
324
|
343
|
369
|
335
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CJ Cheiljedang Corporation | 3694 |
111 |
| Kaneka Corporation | 4822 |
109 |
| Ajinomoto Co., Inc. | 2291 |
109 |
| Jiangnan University | 1645 |
105 |
| Chugai Seiyaku Kabushiki Kaisha | 1434 |
76 |
| Kao Corporation | 5105 |
75 |
| The Regents of the University of California | 20924 |
65 |
| Amano Enzyme Inc. | 466 |
63 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
57 |
| Daiichi Sankyo Company, Limited | 1894 |
57 |
| Astellas Pharma Inc. | 1039 |
41 |
| Osaka University | 3252 |
41 |
| Riken | 1723 |
40 |
| Suntory Holdings Limited | 2206 |
40 |
| Kyoto University | 2941 |
39 |
| The University of Tokyo | 4395 |
37 |
| Novozymes A/S | 3406 |
33 |
| Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences | 131 |
33 |
| Mitsui Chemicals, Inc. | 3283 |
32 |
| Genomatica, Inc. | 207 |
32 |
| Other owners | 5295 |