Patent holdings for IPC class C07B 53/00

Total number of patents in this class: 633

10-year publication summary

42
32
32
27
29
16
20
19
13
7
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Takasago International Corporation
404
43
Sumitomo Chemical Company, Limited
9002
34
Daiichi Sankyo Company, Limited
1849
19
Kaneka Corporation
4487
17
Nissan Chemical Industries, Ltd.
1729
15
National University Corporation Nagoya University
864
11
Kyoto University
2790
10
BASF SE
20758
9
Central Glass Company, Limited
1263
9
Hamari Chemicals, Ltd.
32
9
Solvias AG
37
9
Boehringer Ingelheim International GmbH
4701
8
FUJIFILM Corporation
29208
8
DSM IP Assets B.V.
5661
8
Nippon Chemical Industrial Co., Ltd.
280
8
California Institute of Technology
3966
7
Mitsubishi Tanabe Pharma Corporation
578
7
Nagase & Co., Ltd.
226
7
National University Corporation Hokkaido University
1336
7
Zhejiang University
3087
7
Other owners 381