Patent holdings for IPC class C08G 61/02

Total number of patents in this class: 838

10-year publication summary

78
59
49
58
48
73
50
48
44
30
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
8989
47
Cambridge Display Technology Limited
475
29
LG Chem, Ltd.
17978
28
Sirigen II Limited
30
27
Mitsubishi Gas Chemical Company, Inc.
3650
26
Nippon Kayaku Kabushiki Kaisha
1474
25
The Regents of the University of California
20924
19
Nippon Steel Chemical & Material Co., Ltd.
748
17
Merck Patent GmbH
5755
16
DIC Corporation
4000
14
Samsung SDI Co., Ltd.
10924
12
Shin-Etsu Chemical Co., Ltd.
6148
12
Sumitomo Bakelite Co., Ltd.
1548
11
Becton, Dickinson and Company
7581
10
Kukdo Chemical Co., Ltd.
85
9
Rensselaer Polytechnic Institute
856
9
Massachusetts Institute of Technology
10313
8
Zeon Corporation
4179
8
Smartkem IP LLC
14
8
Boe Technology Group Co., Ltd.
44784
7
Other owners 496