- 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: 6419
10-year publication summary
|
308
|
304
|
281
|
310
|
339
|
307
|
319
|
341
|
358
|
174
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CJ Cheiljedang Corporation | 3568 |
115 |
| Ajinomoto Co., Inc. | 2276 |
113 |
| Kaneka Corporation | 4639 |
109 |
| Jiangnan University | 1594 |
98 |
| Chugai Seiyaku Kabushiki Kaisha | 1393 |
76 |
| Kao Corporation | 5025 |
75 |
| The Regents of the University of California | 20556 |
63 |
| Amano Enzyme Inc. | 430 |
62 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
58 |
| Daiichi Sankyo Company, Limited | 1888 |
58 |
| Genomatica, Inc. | 475 |
55 |
| Osaka University | 3304 |
43 |
| Suntory Holdings Limited | 2098 |
41 |
| Riken | 1697 |
40 |
| Astellas Pharma Inc. | 1030 |
39 |
| Kyoto University | 2893 |
38 |
| Kyowa Hakko Kirin Co., Ltd. | 278 |
34 |
| The University of Tokyo | 4328 |
34 |
| Mitsui Chemicals, Inc. | 3219 |
33 |
| Novozymes A/S | 3346 |
33 |
| Other owners | 5202 |