- 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: 4606
10-year publication summary
|
301
|
282
|
312
|
286
|
274
|
258
|
364
|
350
|
432
|
50
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30016 |
1091 |
| JSR Corporation | 2548 |
565 |
| Shin-Etsu Chemical Co., Ltd. | 5856 |
522 |
| Tokyo Ohka Kogyo Co., Ltd. | 1552 |
503 |
| Sumitomo Chemical Company, Limited | 9053 |
201 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46560 |
136 |
| DuPont Electronic Materials International, LLC | 423 |
113 |
| Mitsubishi Gas Chemical Company, Inc. | 3546 |
106 |
| Samsung Electronics Co., Ltd. | 151303 |
80 |
| Merck Patent GmbH | 5726 |
70 |
| Zeon Corporation | 4123 |
61 |
| LG Chem, Ltd. | 17744 |
55 |
| Central Glass Company, Limited | 1282 |
47 |
| International Business Machines Corporation | 61906 |
40 |
| Toray Industries, Inc. | 7018 |
30 |
| Tokyo Electron Limited | 13363 |
28 |
| Nissan Chemical Industries, Ltd. | 1685 |
24 |
| Sumitomo Bakelite Co., Ltd. | 1521 |
23 |
| Samsung SDI Co., Ltd. | 9233 |
22 |
| Dongjin Semichem Co., Ltd. | 496 |
21 |
| Other owners | 868 |