- All sections
- C - Chemistrymetallurgy
- C12N - Microorganisms or enzymescompositions thereofpropagating, preserving, or maintaining microorganismsmutation or genetic engineeringculture media
- C12N 1/19 - YeastsCulture media therefor modified by introduction of foreign genetic material
Patent holdings for IPC class C12N 1/19
Total number of patents in this class: 3351
10-year publication summary
|
190
|
173
|
186
|
153
|
146
|
183
|
150
|
159
|
149
|
86
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chugai Seiyaku Kabushiki Kaisha | 1354 |
72 |
| National Institute of Advanced Industrial Science and Technology | 3805 |
68 |
| Daiichi Sankyo Company, Limited | 1863 |
61 |
| Kaneka Corporation | 4519 |
56 |
| Amano Enzyme Inc. | 387 |
50 |
| Suntory Holdings Limited | 2029 |
48 |
| Osaka University | 3377 |
42 |
| Astellas Pharma Inc. | 1085 |
41 |
| Riken | 1689 |
40 |
| Ajinomoto Co., Inc. | 2304 |
39 |
| Kao Corporation | 4964 |
37 |
| Kyoto University | 2799 |
33 |
| Kyowa Hakko Kirin Co., Ltd. | 280 |
33 |
| National University Corporation Hokkaido University | 1342 |
28 |
| The University of Tokyo | 4173 |
28 |
| Kikkoman Corporation | 476 |
27 |
| DSM IP Assets B.V. | 5586 |
25 |
| Kyowa Kirin Co., Ltd. | 367 |
25 |
| Sumitomo Chemical Company, Limited | 9047 |
24 |
| National University Corporation Kobe University | 525 |
24 |
| Other owners | 2550 |