Patent holdings for IPC class C07C 43/20

Total number of patents in this class: 129

10-year publication summary

10
11
10
4
3
5
6
2
2
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Gas Chemical Company, Inc.
3662
8
Jiangsu Hecheng Display Technology Co., Ltd.
194
5
Idemitsu Kosan Co., Ltd.
4298
4
Kawasaki Kasei Chemicals Ltd.
29
4
Dow Global Technologies LLC
11072
3
Centre de Technologie Minérale et de Plasturgie Inc.
3
3
Merck Patent GmbH
5751
2
Canon Inc.
44490
2
FUJIFILM Corporation
30808
2
Toray Industries, Inc.
7161
2
Depuy Synthes Products, LLC
2778
2
Japan Science and Technology Agency
1206
2
Centro de Neurociencias de Cuba
13
2
Denka Company Limited
2778
2
Institute of Chemistry, Chinese Academy of Sciences
238
2
National University Corporation Hokkaido University
1385
2
National University Corporation Nagoya University
777
2
Oleotek Inc.
2
2
Resman AS
44
2
Rhodia Operations
1483
2
Other owners 74