Patent holdings for IPC class C08G 61/02

Total number of patents in this class: 797

10-year publication summary

45
66
78
59
49
59
48
73
47
20
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
8808
57
Cambridge Display Technology Limited
513
30
LG Chem, Ltd.
17205
29
Sirigen II Limited
28
25
Merck Patent GmbH
5909
22
Mitsubishi Gas Chemical Company, Inc.
3188
21
The Regents of the University of California
18943
19
Nippon Kayaku Kabushiki Kaisha
1400
14
Nippon Steel Chemical & Material Co., Ltd.
571
13
Massachusetts Institute of Technology
9795
12
DIC Corporation
3597
12
Samsung SDI Co., Ltd.
6671
11
Shin-Etsu Chemical Co., Ltd.
5132
11
Smartkem Limited
31
11
Becton, Dickinson and Company
6712
9
Materia, Inc.
75
9
SHPP Global Technologies B.V.
1045
8
Boe Technology Group Co., Ltd.
35384
7
Nektar Therapeutics
503
7
Promerus, LLC
172
7
Other owners 463