- All sections
- B - Performing operationstransporting
- B41C - Processes for the manufacture or reproduction of printing surfaces
- B41C 1/045 - Mechanical engraving heads
Patent holdings for IPC class B41C 1/045
Total number of patents in this class: 24
10-year publication summary
|
3
|
0
|
2
|
1
|
0
|
1
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DuPont Electronics, Inc. | 378 |
4 |
| E. I. du Pont de Nemours and Company | 3975 |
3 |
| Hell Gravure Systems GmbH & Co. KG | 19 |
3 |
| Think Laboratory Co., Ltd. | 114 |
3 |
| ContiTech Elastomer-Beschichtungen GmbH | 46 |
2 |
| Toshiba Corporation | 12516 |
1 |
| FUJIFILM Corporation | 29702 |
1 |
| Toshiba TEC Corporation | 3820 |
1 |
| Dexerials Corporation | 1946 |
1 |
| MDC Max Daetwyler AG | 7 |
1 |
| UACJ Corporation | 705 |
1 |
| UACJ Foil Corporation | 53 |
1 |
| Falcontec Limited | 1 |
1 |
| Syntek Co., Ltd. | 2 |
1 |
| Other owners | 0 |