Patent holdings for IPC class C07C 43/225

Total number of patents in this class: 447

10-year publication summary

54
35
21
29
20
11
22
17
15
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
JNC Corporation
1532
32
JNC Petrochemical Corporation
403
27
Chisso Petrochemical Corporation
63
13
DIC Corporation
3669
13
LG Chem, Ltd.
17639
11
Daikin Industries, Ltd.
9838
11
Chisso Corporation
66
9
FUJIFILM Corporation
28805
7
Sumitomo Chemical Company, Limited
8988
7
Kyoto University
2778
7
Samsung Display Co., Ltd.
32798
6
AGC Seimi Chemical Co., Ltd.
71
6
Peloton Therapeutics, Inc.
37
6
Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd.
196
6
Merck Patent GmbH
5842
5
Ajinomoto Co., Inc.
2319
5
British Columbia Cancer Agency Branch
195
5
Osaka University
3295
5
Zhejiang Ausun Pharmaceutical Co., Ltd.
35
5
Industrial Technology Research Institute
4959
4
Other owners 257