- All sections
- C - Chemistrymetallurgy
- C12N - Microorganisms or enzymescompositions thereofpropagating, preserving, or maintaining microorganismsmutation or genetic engineeringculture media
- C12N 15/09 - Recombinant DNA-technology
Patent holdings for IPC class C12N 15/09
Total number of patents in this class: 13211
10-year publication summary
|
1000
|
1043
|
743
|
652
|
578
|
499
|
359
|
384
|
342
|
181
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The University of Tokyo | 4369 |
260 |
| Kyoto University | 2906 |
224 |
| Toray Industries, Inc. | 7111 |
204 |
| Riken | 1717 |
195 |
| Osaka University | 3266 |
192 |
| Ajinomoto Co., Inc. | 2281 |
173 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
165 |
| Kaneka Corporation | 4713 |
162 |
| Chugai Seiyaku Kabushiki Kaisha | 1423 |
161 |
| The Regents of the University of California | 20778 |
144 |
| National Cancer Center | 443 |
109 |
| Kao Corporation | 5076 |
103 |
| Oncotherapy Science, Inc. | 242 |
101 |
| Suntory Holdings Limited | 2194 |
83 |
| Kyushu University, National University Corporation | 1721 |
81 |
| Daiichi Sankyo Company, Limited | 1890 |
80 |
| Japan Science and Technology Agency | 1212 |
78 |
| Keio University | 1145 |
78 |
| Kyowa Hakko Kirin Co., Ltd. | 270 |
77 |
| Tohoku University | 2981 |
76 |
| Other owners | 10465 |