Patent holdings for IPC class C09G 1/02

Total number of patents in this class: 2283

10-year publication summary

158
161
187
212
200
192
192
197
192
95
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Fujimi Incorporated
801
342
CMC Materials LLC
244
125
Anji Microelectronics (Shanghai) Co., Ltd.
151
107
Resonac Corporation
3503
107
Versum Materials US, LLC
677
104
FUJIFILM Electronic Materials U.S.A., Inc.
343
78
BASF SE
21313
73
Entegris, Inc.
2004
68
Taiwan Semiconductor Manufacturing Company, Ltd.
48214
59
Anji Microelectronics Technology (Shanghai) Co., Ltd.
70
50
DuPont Electronic Materials Holding, Inc.
204
50
JSR Corporation
2551
35
Cabot Microelectronics Corporation
168
35
K.C. Tech Co., Ltd.
96
35
Saint-Gobain Ceramics & Plastics, Inc.
802
35
Samsung Electronics Co., Ltd.
157300
32
Ycchem Co., Ltd.
66
30
BASF (China) Co., Ltd.
886
27
Rhodia Operations
1499
26
FUJIFILM Corporation
30479
25
Other owners 840