Patent holdings for IPC class C07C 309/04

Total number of patents in this class: 372

10-year publication summary

36
30
46
32
40
22
28
29
25
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
BASF SE
20777
31
Amgen Inc.
4047
12
Sumitomo Chemical Company, Limited
9009
12
Shin-Etsu Chemical Co., Ltd.
5598
10
Adverio Pharma GmbH
43
10
Grillo-Werke AG
27
7
Tokyo Ohka Kogyo Co., Ltd.
1538
7
Arkema France
3987
6
Bristol-myers Squibb Company
4892
5
Genentech, Inc.
3961
5
FUJIFILM Corporation
29228
5
GLOBALFOUNDRIES U.S. Inc.
6431
5
WisTa Laboratories Ltd.
127
5
Apotex Inc.
199
4
Arkema Inc.
1055
4
Daiichi Sankyo Company, Limited
1852
4
Lantheus Medical Imaging, Inc.
176
4
Mitsubishi Materials Corporation
2431
4
Mitsubishi Materials Electronic Chemicals Co., Ltd.
131
4
Pharmatrophix, Inc.
22
4
Other owners 224