- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 29/54 - Locking devices applied to printing mechanisms
Patent holdings for IPC class B41J 29/54
Total number of patents in this class: 50
10-year publication summary
|
3
|
5
|
0
|
19
|
6
|
1
|
3
|
4
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Memjet Technology Limited | 75 |
14 |
| Zebra Technologies Corporation | 2335 |
9 |
| Hewlett-Packard Development Company, L.P. | 25434 |
6 |
| Seiko Epson Corporation | 19881 |
6 |
| Memjet Technology Ltd. | 616 |
4 |
| Canon Inc. | 41921 |
2 |
| Ricoh Company, Ltd. | 13326 |
1 |
| Brother Industries, Ltd. | 12905 |
1 |
| Kyocera Document Solutions Inc. | 5976 |
1 |
| Brady Worldwide, Inc. | 763 |
1 |
| DS Global | 41 |
1 |
| Hand held Products, Inc. | 1288 |
1 |
| Kateeva, Inc. | 396 |
1 |
| Shandong New Beiyang Information Technology Co., Ltd. | 371 |
1 |
| Mitsubishi Heavy Industries Machinery Systems, Ltd. | 475 |
1 |
| Other owners | 0 |