- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/325 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads by selective transfer of ink from ink carrier, e.g. from ink ribbon or sheet
Patent holdings for IPC class B41J 2/325
Total number of patents in this class: 840
10-year publication summary
|
69
|
92
|
86
|
58
|
64
|
61
|
46
|
50
|
43
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12929 |
78 |
| Dai Nippon Printing Co., Ltd. | 4169 |
57 |
| Toshiba TEC Corporation | 3866 |
56 |
| Seiko Epson Corporation | 19809 |
42 |
| Mitsubishi Electric Corporation | 47302 |
39 |
| Zebra Technologies Corporation | 2306 |
27 |
| Videojet Technologies Inc. | 358 |
26 |
| citizen Systems Japan Co., Ltd. | 81 |
23 |
| citizen Watch Co., Ltd. | 1078 |
23 |
| Dover Europe Sàrl | 283 |
23 |
| Sato Holdings Kabushiki Kaisha | 474 |
23 |
| Ceraloc Innovation AB | 173 |
21 |
| Brother Kogyo Kabushikikaisha | 1793 |
18 |
| Nisca Corporation | 145 |
17 |
| Toppan Printing Co., Ltd. | 2115 |
17 |
| Toshiba Corporation | 12532 |
16 |
| Sato Corporation | 227 |
16 |
| Entrust Corporation | 279 |
16 |
| Hand held Products, Inc. | 1288 |
15 |
| Canon Finetech Nisca Inc. | 261 |
14 |
| Other owners | 273 |