- All sections
- C - Chemistrymetallurgy
- C12N - Microorganisms or enzymescompositions thereofpropagating, preserving, or maintaining microorganismsmutation or genetic engineeringculture media
- C12N 9/99 - Enzyme inactivation by chemical treatment
Patent holdings for IPC class C12N 9/99
Total number of patents in this class: 506
10-year publication summary
|
31
|
25
|
23
|
26
|
28
|
38
|
18
|
21
|
21
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Takeda Pharmaceutical Company Limited | 2703 |
25 |
| The Regents of the University of California | 19803 |
15 |
| Shionogi & Co., Ltd. | 868 |
13 |
| Wyeth LLC | 652 |
10 |
| Northwestern University | 3357 |
8 |
| Keio University | 1089 |
7 |
| Riken | 1688 |
7 |
| Janssen Pharmaceutica N.V. | 3432 |
5 |
| Kao Corporation | 4941 |
5 |
| National Research Council of Canada | 1547 |
5 |
| National University Corporation Okayama University | 475 |
5 |
| Pharma Foods International Co., Ltd | 53 |
5 |
| Toray Industries, Inc. | 6886 |
4 |
| The Trustees of Columbia University in the City of New York | 3558 |
4 |
| Cepheid | 343 |
4 |
| Dana-Farber Cancer Institute, Inc. | 2548 |
4 |
| Incyte Corporation | 1005 |
4 |
| Incyte Holdings Corporation | 655 |
4 |
| National University Corporation Hokkaido University | 1336 |
4 |
| Nippi, Incorporated | 54 |
4 |
| Other owners | 364 |