- All sections
- G - Physics
- G03D - Apparatus for processing exposed photographic materialsaccessories therefor
- G03D 3/02 - Details of liquid circulation
Patent holdings for IPC class G03D 3/02
Total number of patents in this class: 4
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13920 |
1 |
| Materials and Technologies Corporation | 2 |
1 |
| Semes Co., Ltd. | 1679 |
1 |
| Topcon Corporation | 1211 |
1 |
| Other owners | 0 |