Patent holdings for IPC class C08K 3/40

Total number of patents in this class: 995

10-year publication summary

63
78
89
98
114
82
73
56
45
5
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
967
32
Corning Incorporated
10402
21
Sumitomo Chemical Company, Limited
9058
18
Idemitsu Kosan Co., Ltd.
4223
18
Ticona LLC
607
18
3m Innovative Properties Company
17600
16
Ems-patent AG
172
15
BASF SE
21151
14
LG Chem, Ltd.
17759
14
SHPP Global Technologies B.V.
1092
14
Mitsubishi Engineering-Plastics Corporation
307
12
Polyplastics Co., Ltd.
612
12
Lotte Advanced Materials Co., Ltd.
402
11
Asahi Fiber Glass Company, Limited
48
10
Nippon Electric Glass Co., Ltd.
2506
10
SABIC Global Technologies B.V.
4466
10
LG Electronics Inc.
74502
9
Toray Industries, Inc.
7023
9
Blue Current, Inc.
56
9
Nitto Denko Corporation
8420
8
Other owners 715