Patent holdings for IPC class C09J 4/02

Total number of patents in this class: 992

10-year publication summary

55
43
47
45
41
58
66
91
77
17
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nitto Denko Corporation
8448
131
Denka Company Limited
2690
46
Denki Kagaku Kogyo Kabushiki Kaisha
606
39
Sekisui Chemical Co., Ltd.
3576
35
Dexerials Corporation
1985
32
Hitachi Chemical Company, Ltd.
2283
30
Lintec Corporation
2002
27
Nippon Kayaku Kabushiki Kaisha
1462
25
Toagosei Co., Ltd.
987
25
LG Chem, Ltd.
17810
24
Namics Corporation
472
22
Three Bond Co., Ltd.
235
21
Showa Denko K.K.
2114
20
Resonac Corporation
3159
19
Mitsubishi Chemical Corporation
4683
18
Sumitomo Chemical Company, Limited
9048
17
Oji Holdings Corporation
764
17
DIC Corporation
3897
14
The Nippon Synthetic Chemical Industry Co., Ltd.
292
13
Sumitomo Bakelite Co., Ltd.
1517
13
Other owners 404