- All sections
- C - Chemistrymetallurgy
- C07B - General methods of organic chemistryapparatus therefor
- C07B 53/00 - Asymmetric syntheses
Patent holdings for IPC class C07B 53/00
Total number of patents in this class: 615
10-year publication summary
|
39
|
29
|
30
|
24
|
28
|
15
|
18
|
19
|
13
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Takasago International Corporation | 404 |
41 |
| Sumitomo Chemical Company, Limited | 9047 |
32 |
| Daiichi Sankyo Company, Limited | 1884 |
18 |
| Kaneka Corporation | 4566 |
17 |
| Nissan Chemical Industries, Ltd. | 1707 |
15 |
| National University Corporation Nagoya University | 847 |
11 |
| BASF SE | 20979 |
10 |
| Central Glass Company, Limited | 1271 |
9 |
| Hamari Chemicals, Ltd. | 32 |
9 |
| Solvias AG | 34 |
9 |
| Boehringer Ingelheim International GmbH | 4642 |
8 |
| FUJIFILM Corporation | 29543 |
8 |
| DSM IP Assets B.V. | 5581 |
8 |
| Kyoto University | 2809 |
8 |
| Nippon Chemical Industrial Co., Ltd. | 287 |
8 |
| California Institute of Technology | 3985 |
7 |
| Mitsubishi Tanabe Pharma Corporation | 581 |
7 |
| National University Corporation Hokkaido University | 1345 |
7 |
| Zhejiang University | 3183 |
7 |
| Takeda Pharmaceutical Company Limited | 2705 |
6 |
| Other owners | 370 |