- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 3/44 - Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
Patent holdings for IPC class B41J 3/44
Total number of patents in this class: 271
10-year publication summary
|
17
|
14
|
15
|
18
|
17
|
14
|
13
|
26
|
59
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19809 |
38 |
| Brother Industries, Ltd. | 12929 |
17 |
| Ricoh Company, Ltd. | 13348 |
14 |
| FUJIFILM Corporation | 30010 |
13 |
| Hewlett-Packard Development Company, L.P. | 25471 |
9 |
| Phoenix Contact GmbH & Co. KG | 2287 |
9 |
| Zebra Technologies Corporation | 2306 |
8 |
| Canon Inc. | 41573 |
7 |
| Shandong New Beiyang Information Technology Co., Ltd. | 371 |
7 |
| Kyocera Document Solutions Inc. | 5906 |
6 |
| Illinois Tool Works Inc. | 11652 |
5 |
| Konica Minolta, Inc. | 8960 |
5 |
| The Procter & Gamble Company | 21987 |
4 |
| Samsung Display Co., Ltd. | 37127 |
3 |
| Xerox Corporation | 5899 |
3 |
| Casio Computer Co., Ltd. | 3459 |
3 |
| Kornit Digital Ltd. | 142 |
3 |
| Mimaki Engineering Co., Ltd. | 883 |
3 |
| Riso Kagaku Corporation | 653 |
3 |
| Wuhan Goldenlaser Co., Ltd. | 6 |
3 |
| Other owners | 108 |