- 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: 3331
10-year publication summary
|
139
|
140
|
149
|
115
|
112
|
139
|
122
|
143
|
145
|
91
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chugai Seiyaku Kabushiki Kaisha | 1368 |
73 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
67 |
| Daiichi Sankyo Company, Limited | 1886 |
61 |
| Kaneka Corporation | 4577 |
56 |
| Amano Enzyme Inc. | 398 |
51 |
| Suntory Holdings Limited | 2039 |
48 |
| Osaka University | 3388 |
41 |
| Ajinomoto Co., Inc. | 2294 |
40 |
| Astellas Pharma Inc. | 1085 |
40 |
| Riken | 1695 |
40 |
| Kao Corporation | 4982 |
37 |
| Kyoto University | 2811 |
33 |
| Kyowa Hakko Kirin Co., Ltd. | 280 |
33 |
| National University Corporation Hokkaido University | 1348 |
28 |
| The University of Tokyo | 4208 |
28 |
| Kikkoman Corporation | 482 |
27 |
| DSM IP Assets B.V. | 5577 |
26 |
| Kyowa Kirin Co., Ltd. | 367 |
25 |
| Sumitomo Chemical Company, Limited | 9047 |
24 |
| National University Corporation Kobe University | 532 |
24 |
| Other owners | 2529 |