Patent holdings for IPC class C07C 53/21

Total number of patents in this class: 42

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Daikin Industries, Ltd.
10016
12
3m Innovative Properties Company
17819
3
Tokyo Ohka Kogyo Co., Ltd.
1540
2
Samsung Electronics Co., Ltd.
146534
1
E. I. du Pont de Nemours and Company
4058
1
Honeywell International Inc.
13567
1
Samsung SDI Co., Ltd.
8344
1
Board of Regents, The University of Texas System
5798
1
Asahi Glass Company, Limited
2781
1
JSR Corporation
2527
1
Arkema France
4149
1
Cancer Research Technology Limited
524
1
Central Glass Company, Limited
1265
1
Chiron AS
12
1
F.I.S. Fabbrica Italiana Sintetici S.p.A.
124
1
The Governors of the University of Alberta
868
1
Kuraray Co., Ltd.
3503
1
Navitor Pharmaceuticals, Inc.
32
1
Relypsa, Inc.
27
1
Rhodia Operations
1586
1
Other owners 8