- 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: 287
10-year publication summary
|
17
|
17
|
19
|
20
|
19
|
15
|
15
|
27
|
60
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20017 |
42 |
| Brother Industries, Ltd. | 12865 |
17 |
| Ricoh Company, Ltd. | 13299 |
15 |
| FUJIFILM Corporation | 30277 |
13 |
| Canon Inc. | 42342 |
11 |
| Phoenix Contact GmbH & Co. KG | 2284 |
10 |
| Hewlett-Packard Development Company, L.P. | 25342 |
9 |
| Zebra Technologies Corporation | 2394 |
8 |
| Kyocera Document Solutions Inc. | 6081 |
7 |
| Shandong New Beiyang Information Technology Co., Ltd. | 373 |
7 |
| Illinois Tool Works Inc. | 11742 |
5 |
| Konica Minolta, Inc. | 9032 |
5 |
| The Procter & Gamble Company | 21893 |
4 |
| Samsung Display Co., Ltd. | 37933 |
3 |
| Xerox Corporation | 4716 |
3 |
| Casio Computer Co., Ltd. | 3487 |
3 |
| Kornit Digital Ltd. | 143 |
3 |
| Mimaki Engineering Co., Ltd. | 905 |
3 |
| Riso Kagaku Corporation | 645 |
3 |
| Sakura Finetek U.S.A., Inc. | 144 |
3 |
| Other owners | 113 |