- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 29/46 - Applications of alarms, e.g. responsive to approach of end of line
Patent holdings for IPC class B41J 29/46
Total number of patents in this class: 211
10-year publication summary
|
12
|
16
|
16
|
6
|
14
|
7
|
8
|
11
|
28
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42088 |
20 |
| Hewlett-Packard Development Company, L.P. | 25403 |
19 |
| Canon Kabushiki Kaisha | 7200 |
19 |
| Konica Minolta, Inc. | 9003 |
16 |
| FUJIFILM Corporation | 30192 |
15 |
| Seiko Epson Corporation | 19984 |
14 |
| Kyocera Document Solutions Inc. | 6020 |
14 |
| Brother Industries, Ltd. | 12889 |
7 |
| Dainippon Screen Mfg. Co., Ltd. | 87 |
6 |
| Kabushiki Kaisha Sato Chishiki Zaisan Kenkyusyo | 92 |
6 |
| Sato Holdings Kabushiki Kaisha | 472 |
6 |
| Brother Kogyo Kabushikikaisha | 1789 |
6 |
| Ricoh Company, Ltd. | 13313 |
5 |
| Mimaki Engineering Co., Ltd. | 901 |
5 |
| Kabushiki Kaisha Sato | 100 |
4 |
| Sharp Kabushiki Kaisha | 18623 |
4 |
| Sanford, L.P. | 908 |
3 |
| Zebra Technologies Corporation | 2371 |
3 |
| Glory Ltd. | 1257 |
2 |
| KEYENCE Corporation | 500 |
2 |
| Other owners | 35 |