- All sections
- G - Physics
- G03F - Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devicesmaterials therefororiginals thereforapparatus specially adapted therefor
- G03F 7/38 - Treatment before imagewise removal, e.g. prebaking
Patent holdings for IPC class G03F 7/38
Total number of patents in this class: 1440
10-year publication summary
|
154
|
149
|
151
|
109
|
87
|
108
|
82
|
67
|
76
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 6127 |
183 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48629 |
132 |
| FUJIFILM Corporation | 30628 |
129 |
| Sumitomo Chemical Company, Limited | 8969 |
116 |
| Tokyo Electron Limited | 13884 |
88 |
| JSR Corporation | 2551 |
64 |
| Tokyo Ohka Kogyo Co., Ltd. | 1565 |
62 |
| Applied Materials, Inc. | 20514 |
51 |
| Samsung Electronics Co., Ltd. | 158605 |
28 |
| Merck Patent GmbH | 5739 |
28 |
| DuPont Electronic Materials International, LLC | 431 |
28 |
| Jicc-02 Co., Ltd. | 267 |
27 |
| Lam Research Corporation | 5676 |
24 |
| Nissan Chemical Industries, Ltd. | 1636 |
24 |
| International Business Machines Corporation | 62754 |
18 |
| Inpria Corporation | 145 |
18 |
| Carbon, Inc. | 416 |
18 |
| Nissan Chemical Corporation | 2252 |
16 |
| Central Glass Company, Limited | 1298 |
15 |
| Osaka University | 3261 |
11 |
| Other owners | 360 |