- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 29/377 - Cooling or ventilating arrangements
Patent holdings for IPC class B41J 29/377
Total number of patents in this class: 628
10-year publication summary
|
51
|
62
|
58
|
50
|
36
|
46
|
45
|
63
|
89
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19982 |
128 |
| Hewlett-Packard Development Company, L.P. | 25393 |
76 |
| Canon Inc. | 42139 |
52 |
| Ricoh Company, Ltd. | 13305 |
32 |
| Brother Industries, Ltd. | 12880 |
32 |
| Xerox Corporation | 5694 |
18 |
| Kyocera Document Solutions Inc. | 6042 |
17 |
| Kateeva, Inc. | 395 |
17 |
| Memjet Technology Ltd. | 614 |
15 |
| FUJIFILM Corporation | 30206 |
14 |
| Kyocera Corporation | 14233 |
13 |
| Oce-Technologies B.V. | 448 |
12 |
| Riso Kagaku Corporation | 648 |
12 |
| Screen Holdings Co., Ltd. | 3086 |
9 |
| Canon Production Printing Holding B.V. | 270 |
9 |
| Mimaki Engineering Co., Ltd. | 903 |
8 |
| Veltek Associates, Inc. | 298 |
8 |
| FUJIFILM Business Innovation Corp. | 7845 |
7 |
| Toshiba TEC Corporation | 3892 |
6 |
| Konica Minolta, Inc. | 9007 |
5 |
| Other owners | 138 |