- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 29/12 - Guards, shields or dust excluders
Patent holdings for IPC class B41J 29/12
Total number of patents in this class: 81
10-year publication summary
|
8
|
7
|
10
|
7
|
6
|
3
|
5
|
7
|
5
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20365 |
13 |
| Hewlett-Packard Development Company, L.P. | 25174 |
11 |
| Canon Inc. | 44134 |
8 |
| Brother Industries, Ltd. | 12836 |
8 |
| Veltek Associates, Inc. | 300 |
4 |
| Shandong New Beiyang Information Technology Co., Ltd. | 373 |
3 |
| Sato Corporation | 327 |
3 |
| Kyocera Document Solutions Inc. | 6323 |
2 |
| Kateeva, Inc. | 395 |
2 |
| Printgraph Waterless S.p.A. | 8 |
2 |
| Entrust Corporation | 289 |
2 |
| General Electric Company | 13938 |
1 |
| Illinois Tool Works Inc. | 11863 |
1 |
| Ricoh Company, Ltd. | 13334 |
1 |
| Nike, Inc. | 14898 |
1 |
| Toshiba TEC Corporation | 3909 |
1 |
| Casio Computer Co., Ltd. | 3491 |
1 |
| Seiko Instruments Inc. | 455 |
1 |
| Bluebird Inc. | 50 |
1 |
| Heidelberger Druckmaschinen AG | 500 |
1 |
| Other owners | 14 |