- 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 7/039 - Macromolecular compounds which are photodegradable, e.g. positive electron resists
Patent holdings for IPC class G03F 7/039
Total number of patents in this class: 4545
10-year publication summary
|
307
|
301
|
282
|
312
|
286
|
274
|
257
|
363
|
349
|
404
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29839 |
1073 |
| JSR Corporation | 2542 |
552 |
| Shin-Etsu Chemical Co., Ltd. | 5795 |
505 |
| Tokyo Ohka Kogyo Co., Ltd. | 1547 |
500 |
| Sumitomo Chemical Company, Limited | 9109 |
198 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46182 |
136 |
| DuPont Electronic Materials International, LLC | 427 |
113 |
| Mitsubishi Gas Chemical Company, Inc. | 3509 |
107 |
| Samsung Electronics Co., Ltd. | 149198 |
77 |
| Merck Patent GmbH | 5752 |
69 |
| Zeon Corporation | 4116 |
61 |
| LG Chem, Ltd. | 17706 |
55 |
| Central Glass Company, Limited | 1273 |
47 |
| International Business Machines Corporation | 61747 |
40 |
| Toray Industries, Inc. | 7015 |
30 |
| Tokyo Electron Limited | 13155 |
27 |
| Nissan Chemical Industries, Ltd. | 1697 |
25 |
| Sumitomo Bakelite Co., Ltd. | 1511 |
23 |
| Samsung SDI Co., Ltd. | 8901 |
22 |
| Dongjin Semichem Co., Ltd. | 487 |
21 |
| Other owners | 864 |