Patent holdings for IPC class C08G 61/02

Total number of patents in this class: 821

10-year publication summary

63
77
59
49
57
46
68
47
46
32
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
9051
50
Cambridge Display Technology Limited
493
29
LG Chem, Ltd.
17643
28
Mitsubishi Gas Chemical Company, Inc.
3481
26
Sirigen II Limited
28
25
The Regents of the University of California
20035
20
Nippon Kayaku Kabushiki Kaisha
1443
20
Merck Patent GmbH
5820
19
Nippon Steel Chemical & Material Co., Ltd.
654
15
Samsung SDI Co., Ltd.
8494
12
Shin-Etsu Chemical Co., Ltd.
5680
12
DIC Corporation
3810
12
Massachusetts Institute of Technology
10093
11
Smartkem Limited
32
11
Becton, Dickinson and Company
7282
10
SHPP Global Technologies B.V.
1091
10
Sumitomo Bakelite Co., Ltd.
1503
9
Materia, Inc.
73
8
Rensselaer Polytechnic Institute
829
8
Boe Technology Group Co., Ltd.
41461
7
Other owners 479