Patent holdings for IPC class C08K 3/40

Total number of patents in this class: 992

10-year publication summary

63
78
89
98
114
82
72
56
45
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nippon Sheet Glass Company, Limited
974
32
Corning Incorporated
10370
22
Sumitomo Chemical Company, Limited
9106
18
Idemitsu Kosan Co., Ltd.
4226
18
Ticona LLC
601
18
3m Innovative Properties Company
17604
16
Ems-patent AG
172
15
BASF SE
21109
14
LG Chem, Ltd.
17702
14
SHPP Global Technologies B.V.
1084
14
Mitsubishi Engineering-Plastics Corporation
307
12
Polyplastics Co., Ltd.
606
12
Lotte Advanced Materials Co., Ltd.
404
11
Asahi Fiber Glass Company, Limited
48
10
Nippon Electric Glass Co., Ltd.
2489
10
SABIC Global Technologies B.V.
4420
10
LG Electronics Inc.
73967
9
Toray Industries, Inc.
7019
9
Nitto Denko Corporation
8370
8
Sabic Innovative Plastics IP B.V.
681
8
Other owners 712