- All sections
- B - Performing operations; transporting
- B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors
- B41J 2/04 - Ink jet characterised by the jet generation process generating single droplets or particles on demand
Patent holdings for IPC class B41J 2/04
Total number of patents in this class: 441
10-year publication summary
|
22
|
44
|
61
|
34
|
26
|
43
|
15
|
8
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 27473 |
100 |
| Seiko Epson Corporation | 18984 |
33 |
| Memjet Technology Ltd. | 698 |
29 |
| Canon Inc. | 38114 |
24 |
| Xerox Corporation | 7075 |
14 |
| Ricoh Company, Ltd. | 13209 |
12 |
| Brother Industries, Ltd. | 12905 |
12 |
| Eastman Kodak Company | 3036 |
10 |
| Funai Electric Co., Ltd. | 863 |
7 |
| FUJIFILM Corporation | 28555 |
6 |
| Matthews International Corporation | 352 |
6 |
| System Ceramics S.p.A. | 124 |
6 |
| Silverbrook Research Pty Ltd | 141 |
5 |
| FUJIFILM Dimatix, Inc. | 303 |
5 |
| Kateeva, Inc. | 377 |
5 |
| Illinois Tool Works Inc. | 11386 |
4 |
| Robert Bosch GmbH | 41765 |
4 |
| 3D Systems, Inc. | 590 |
4 |
| Jetronica Limited | 8 |
4 |
| Hydragraphix LLC | 35 |
4 |
| Other owners | 147 |