- 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: 677
10-year publication summary
|
51
|
62
|
58
|
51
|
36
|
46
|
45
|
64
|
91
|
64
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20446 |
141 |
| Hewlett-Packard Development Company, L.P. | 25139 |
76 |
| Canon Inc. | 44285 |
59 |
| Ricoh Company, Ltd. | 13386 |
38 |
| Brother Industries, Ltd. | 12827 |
32 |
| Kyocera Document Solutions Inc. | 6360 |
21 |
| Xerox Corporation | 4379 |
17 |
| Kateeva, Inc. | 396 |
17 |
| Kyocera Corporation | 14451 |
16 |
| Memjet Technology Ltd. | 588 |
16 |
| FUJIFILM Corporation | 30689 |
14 |
| Riso Kagaku Corporation | 644 |
13 |
| Oce-Technologies B.V. | 439 |
12 |
| Screen Holdings Co., Ltd. | 3245 |
10 |
| Canon Production Printing Holding B.V. | 284 |
9 |
| Konica Minolta, Inc. | 9176 |
8 |
| Mimaki Engineering Co., Ltd. | 936 |
8 |
| FUJIFILM Business Innovation Corp. | 8039 |
8 |
| Veltek Associates, Inc. | 301 |
7 |
| Toshiba TEC Corporation | 3912 |
6 |
| Other owners | 149 |