- All sections
- C - Chemistry; metallurgy
- C07B - General methods of organic chemistry; apparatus therefor
- C07B 53/00 - Asymmetric syntheses
Patent holdings for IPC class C07B 53/00
Total number of patents in this class: 656
10-year publication summary
|
42
|
32
|
32
|
27
|
29
|
16
|
20
|
18
|
12
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Takasago International Corporation | 403 |
44 |
| Sumitomo Chemical Company, Limited | 8976 |
34 |
| Daiichi Sankyo Company, Limited | 1864 |
20 |
| Kaneka Corporation | 4493 |
18 |
| Nissan Chemical Industries, Ltd. | 1762 |
16 |
| Kyoto University | 2780 |
12 |
| National University Corporation Nagoya University | 895 |
11 |
| Solvias AG | 43 |
11 |
| BASF SE | 20387 |
9 |
| Japan Science and Technology Agency | 1418 |
9 |
| Central Glass Company, Limited | 1245 |
9 |
| Hamari Chemicals, Ltd. | 32 |
9 |
| Boehringer Ingelheim International GmbH | 4756 |
8 |
| FUJIFILM Corporation | 28506 |
8 |
| DSM IP Assets B.V. | 5819 |
8 |
| Nagase & Co., Ltd. | 225 |
8 |
| Nippon Chemical Industrial Co., Ltd. | 270 |
8 |
| Nippon Soda Co., Ltd. | 884 |
8 |
| California Institute of Technology | 3929 |
7 |
| Mitsubishi Tanabe Pharma Corporation | 575 |
7 |
| Other owners | 392 |