- All sections
- C - Chemistry; metallurgy
- C12N - Microorganisms or enzymes; compositions thereof; propagating, preserving, or maintaining microorganisms; mutation or genetic engineering; culture media
- C12N 9/99 - Enzyme inactivation by chemical treatment
Patent holdings for IPC class C12N 9/99
Total number of patents in this class: 501
10-year publication summary
37
|
31
|
25
|
23
|
26
|
28
|
38
|
17
|
19
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Takeda Pharmaceutical Company Limited | 2961 |
24 |
The Regents of the University of California | 18943 |
15 |
Wyeth LLC | 691 |
10 |
Shionogi & Co., Ltd. | 914 |
10 |
Northwestern University | 3112 |
8 |
Keio University | 1053 |
7 |
Riken | 1669 |
7 |
Janssen Pharmaceutica N.V. | 3839 |
5 |
Kao Corporation | 4843 |
5 |
Daiichi Pharmaceutical Co., Ltd. | 25 |
5 |
Dana-Farber Cancer Institute, Inc. | 2455 |
5 |
National Research Council of Canada | 1545 |
5 |
National University Corporation Hokkaido University | 1323 |
5 |
National University Corporation Okayama University | 483 |
5 |
Pharma Foods International Co., Ltd | 50 |
5 |
Toray Industries, Inc. | 6652 |
4 |
Incyte Corporation | 918 |
4 |
Incyte Holdings Corporation | 609 |
4 |
Nippi, Incorporated | 53 |
4 |
Public University Corporation Yokohama City University | 219 |
4 |
Other owners | 360 |