Patent holdings for IPC class C09J 4/02

Total number of patents in this class: 1010

10-year publication summary

55
45
47
45
43
59
68
91
78
40
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nitto Denko Corporation
8540
135
Denka Company Limited
2728
49
Denki Kagaku Kogyo Kabushiki Kaisha
578
38
Sekisui Chemical Co., Ltd.
3619
35
Dexerials Corporation
1995
32
Hitachi Chemical Company, Ltd.
2241
30
Lintec Corporation
2014
27
Namics Corporation
483
25
Nippon Kayaku Kabushiki Kaisha
1454
25
Toagosei Co., Ltd.
1024
25
LG Chem, Ltd.
17929
24
Three Bond Co., Ltd.
236
21
Resonac Corporation
3546
21
Showa Denko K.K.
2069
20
Mitsubishi Chemical Corporation
4723
18
Sumitomo Chemical Company, Limited
8968
17
Oji Holdings Corporation
797
17
DIC Corporation
3965
13
The Nippon Synthetic Chemical Industry Co., Ltd.
282
13
Sumitomo Bakelite Co., Ltd.
1534
13
Other owners 412