Patent holdings for IPC class C07C 31/38

Total number of patents in this class: 71

10-year publication summary

3
6
2
1
2
2
3
5
2
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Daikin Industries, Ltd.
10215
9
Central Glass Company, Limited
1282
7
Unimatec Co., Ltd.
234
7
Hirosaki University
153
5
Kumiai Chemical Industry Co., Ltd.
312
3
Sumitomo Chemical Company, Limited
9053
2
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4018
2
Saga University
146
2
Samsung Electronics Co., Ltd.
151303
1
F. Hoffmann-La Roche AG
7881
1
LG Chem, Ltd.
17744
1
The Regents of the University of California
20366
1
E. I. du Pont de Nemours and Company
3774
1
Bayer AG
3408
1
Bayer Intellectual Property GmbH
2432
1
Samsung SDI Co., Ltd.
9233
1
The Johns Hopkins University
5771
1
Agency for Science, Technology and Research
3669
1
Purdue Research Foundation
3780
1
Arkema France
4166
1
Other owners 22