- 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: 6364
10-year publication summary
|
244
|
236
|
237
|
213
|
231
|
259
|
256
|
288
|
318
|
307
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ajinomoto Co., Inc. | 2310 |
120 |
| CJ Cheiljedang Corporation | 3494 |
115 |
| Kaneka Corporation | 4608 |
112 |
| Jiangnan University | 1560 |
96 |
| Chugai Seiyaku Kabushiki Kaisha | 1378 |
77 |
| Kao Corporation | 5002 |
75 |
| The Regents of the University of California | 20289 |
63 |
| National Institute of Advanced Industrial Science and Technology | 3798 |
60 |
| Genomatica, Inc. | 483 |
60 |
| Daiichi Sankyo Company, Limited | 1877 |
58 |
| Amano Enzyme Inc. | 406 |
57 |
| Osaka University | 3382 |
45 |
| Astellas Pharma Inc. | 1057 |
42 |
| Riken | 1695 |
42 |
| Suntory Holdings Limited | 2069 |
41 |
| Kyoto University | 2855 |
38 |
| Kyowa Hakko Kirin Co., Ltd. | 280 |
34 |
| Mitsui Chemicals, Inc. | 3230 |
33 |
| Novozymes A/S | 3336 |
32 |
| Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences | 128 |
32 |
| Other owners | 5132 |