- 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: 454
10-year publication summary
|
33
|
22
|
44
|
61
|
34
|
26
|
43
|
14
|
8
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 28538 |
100 |
| Seiko Epson Corporation | 18724 |
34 |
| Memjet Technology Ltd. | 757 |
30 |
| Canon Inc. | 36841 |
24 |
| Xerox Corporation | 7503 |
15 |
| Ricoh Company, Ltd. | 13266 |
12 |
| Brother Industries, Ltd. | 13000 |
12 |
| Eastman Kodak Company | 3444 |
11 |
| Funai Electric Co., Ltd. | 882 |
7 |
| FUJIFILM Corporation | 27102 |
6 |
| Matthews International Corporation | 350 |
6 |
| System Ceramics S.p.A. | 111 |
6 |
| Silverbrook Research Pty Ltd | 172 |
5 |
| FUJIFILM Dimatix, Inc. | 331 |
5 |
| Kateeva, Inc. | 376 |
5 |
| Illinois Tool Works Inc. | 11152 |
4 |
| Robert Bosch GmbH | 40953 |
4 |
| 3D Systems, Inc. | 577 |
4 |
| Jetronica Limited | 8 |
4 |
| Hydragraphix LLC | 34 |
4 |
| Other owners | 156 |