- All sections
- G - Physics
- G03F - Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices; materials therefor; originals therefor; apparatus specially adapted therefor
- G03F 7/42 - Stripping or agents therefor
Patent holdings for IPC class G03F 7/42
Total number of patents in this class: 973
10-year publication summary
65
|
59
|
67
|
81
|
75
|
75
|
80
|
65
|
68
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tokyo Electron Limited | 11599 |
56 |
FUJIFILM Corporation | 27102 |
46 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
37 |
Anji Microelectronics (Shanghai) Co., Ltd. | 169 |
34 |
Versum Materials US, LLC | 591 |
32 |
Tokyo Ohka Kogyo Co., Ltd. | 1481 |
31 |
BASF SE | 19740 |
20 |
Screen Holdings Co., Ltd. | 2431 |
20 |
Entegris, Inc. | 1736 |
18 |
Lam Research Corporation | 4775 |
17 |
Merck Patent GmbH | 5909 |
16 |
Applied Materials, Inc. | 16587 |
16 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
16 |
LG Chem, Ltd. | 17205 |
15 |
Dow Global Technologies LLC | 10147 |
14 |
Boe Technology Group Co., Ltd. | 35384 |
14 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
13 |
Nissan Chemical Corporation | 1725 |
12 |
Advanced Technology Materials, Inc. | 234 |
11 |
FUJIFILM Electronic Materials U.S.A., Inc. | 270 |
11 |
Other owners | 524 |