Patent holdings for IPC class G03F 7/004

Total number of patents in this class: 8808

10-year publication summary

521
557
564
558
572
622
636
638
706
553
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
27478
1811
Shin-Etsu Chemical Co., Ltd.
5271
531
Tokyo Ohka Kogyo Co., Ltd.
1499
504
JSR Corporation
2480
501
Sumitomo Chemical Company, Limited
8880
288
Toray Industries, Inc.
6737
240
Taiwan Semiconductor Manufacturing Company, Ltd.
37480
167
Hitachi Chemical Company, Ltd.
2424
158
Rohm and Haas Electronic Materials LLC
611
137
Samsung SDI Co., Ltd.
6923
134
LG Chem, Ltd.
17493
114
Taiyo Ink Mfg. Co., Ltd.
216
112
Samsung Electronics Co., Ltd.
135388
104
Mitsubishi Chemical Corporation
4331
104
Mitsubishi Gas Chemical Company, Inc.
3259
96
Merck Patent GmbH
5841
82
Nissan Chemical Industries, Ltd.
1788
81
Resonac Corporation
2413
78
Tokyo Electron Limited
11848
77
Central Glass Company, Limited
1234
67
Other owners 3422