Patent holdings for IPC class C09J 4/02

Total number of patents in this class: 979

10-year publication summary

55
43
47
45
41
58
66
91
77
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nitto Denko Corporation
8370
126
Denka Company Limited
2663
46
Denki Kagaku Kogyo Kabushiki Kaisha
616
40
Dexerials Corporation
1962
32
Hitachi Chemical Company, Ltd.
2311
31
Sekisui Chemical Co., Ltd.
3514
30
Lintec Corporation
1992
27
Nippon Kayaku Kabushiki Kaisha
1456
25
Toagosei Co., Ltd.
985
25
LG Chem, Ltd.
17702
24
Namics Corporation
456
22
Three Bond Co., Ltd.
230
22
Showa Denko K.K.
2149
20
Resonac Corporation
3040
18
Sumitomo Chemical Company, Limited
9106
17
Mitsubishi Chemical Corporation
4625
17
Oji Holdings Corporation
752
17
DIC Corporation
3871
14
The Nippon Synthetic Chemical Industry Co., Ltd.
295
13
Sumitomo Bakelite Co., Ltd.
1515
13
Other owners 400