Patent holdings for IPC class C07B 53/00

Total number of patents in this class: 620

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
401
42
Sumitomo Chemical Company, Limited
9046
33
Daiichi Sankyo Company, Limited
1869
19
Kaneka Corporation
4522
17
Nissan Chemical Industries, Ltd.
1717
15
National University Corporation Nagoya University
856
11
Kyoto University
2800
10
BASF SE
20933
9
Central Glass Company, Limited
1265
9
Hamari Chemicals, Ltd.
32
9
Solvias AG
37
9
Boehringer Ingelheim International GmbH
4650
8
FUJIFILM Corporation
29367
8
DSM IP Assets B.V.
5591
8
Nippon Chemical Industrial Co., Ltd.
282
8
California Institute of Technology
3976
7
Mitsubishi Tanabe Pharma Corporation
579
7
National University Corporation Hokkaido University
1342
7
Zhejiang University
3143
7
Takeda Pharmaceutical Company Limited
2713
6
Other owners 371