Patent holdings for IPC class C07C 309/04

Total number of patents in this class: 371

10-year publication summary

36
30
46
32
40
22
28
29
25
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
BASF SE
20758
31
Amgen Inc.
4037
12
Sumitomo Chemical Company, Limited
9002
12
Shin-Etsu Chemical Co., Ltd.
5587
10
Adverio Pharma GmbH
43
10
Grillo-Werke AG
27
7
Tokyo Ohka Kogyo Co., Ltd.
1532
7
Arkema France
3988
6
Bristol-myers Squibb Company
4897
5
Genentech, Inc.
3954
5
FUJIFILM Corporation
29208
5
GLOBALFOUNDRIES U.S. Inc.
6434
5
WisTa Laboratories Ltd.
127
5
Apotex Inc.
199
4
Arkema Inc.
1058
4
Daiichi Sankyo Company, Limited
1849
4
Lantheus Medical Imaging, Inc.
176
4
Mitsubishi Materials Corporation
2427
4
Mitsubishi Materials Electronic Chemicals Co., Ltd.
131
4
Pharmatrophix, Inc.
22
4
Other owners 223