Patent holdings for IPC class C07C 31/38

Total number of patents in this class: 71

10-year publication summary

4
3
6
2
1
2
2
3
5
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Daikin Industries, Ltd.
10133
8
Central Glass Company, Limited
1275
7
Unimatec Co., Ltd.
237
7
Hirosaki University
153
5
Kumiai Chemical Industry Co., Ltd.
310
3
Sumitomo Chemical Company, Limited
9089
2
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3998
2
Rhodia Operations
1581
2
Samsung Electronics Co., Ltd.
148584
1
F. Hoffmann-La Roche AG
7944
1
LG Chem, Ltd.
17686
1
The Regents of the University of California
20211
1
E. I. du Pont de Nemours and Company
3935
1
Bayer AG
3381
1
Bayer Intellectual Property GmbH
2472
1
Samsung SDI Co., Ltd.
8935
1
The Johns Hopkins University
5737
1
Agency for Science, Technology and Research
3661
1
Purdue Research Foundation
3705
1
Arkema France
4180
1
Other owners 23