Patent holdings for IPC class C08G 61/02

Total number of patents in this class: 837

10-year publication summary

78
59
49
58
48
73
50
48
44
24
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
8969
47
Cambridge Display Technology Limited
473
29
LG Chem, Ltd.
17956
28
Sirigen II Limited
30
27
Mitsubishi Gas Chemical Company, Inc.
3634
26
Nippon Kayaku Kabushiki Kaisha
1463
23
The Regents of the University of California
20842
19
Nippon Steel Chemical & Material Co., Ltd.
738
17
Merck Patent GmbH
5739
16
DIC Corporation
3982
14
Samsung SDI Co., Ltd.
10745
12
Shin-Etsu Chemical Co., Ltd.
6127
12
Sumitomo Bakelite Co., Ltd.
1542
11
Becton, Dickinson and Company
7594
10
Massachusetts Institute of Technology
10285
10
Kukdo Chemical Co., Ltd.
86
9
Rensselaer Polytechnic Institute
852
9
Zeon Corporation
4167
8
SHPP Global Technologies B.V.
1105
8
Smartkem IP LLC
14
8
Other owners 494