- 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: 856
10-year publication summary
|
69
|
92
|
86
|
58
|
64
|
62
|
47
|
52
|
43
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12855 |
78 |
| Toshiba TEC Corporation | 3886 |
57 |
| Dai Nippon Printing Co., Ltd. | 4221 |
57 |
| Seiko Epson Corporation | 20099 |
44 |
| Mitsubishi Electric Corporation | 47749 |
39 |
| Zebra Technologies Corporation | 2428 |
28 |
| Videojet Technologies Inc. | 361 |
26 |
| citizen Systems Japan Co., Ltd. | 83 |
24 |
| Dover Europe Sàrl | 292 |
24 |
| citizen Watch Co., Ltd. | 1082 |
23 |
| Sato Holdings Kabushiki Kaisha | 431 |
23 |
| Brother Kogyo Kabushikikaisha | 1786 |
22 |
| Ceraloc Innovation AB | 170 |
21 |
| Nisca Corporation | 143 |
17 |
| Toppan Printing Co., Ltd. | 2096 |
17 |
| Entrust Corporation | 283 |
17 |
| Toshiba Corporation | 12688 |
16 |
| Sato Corporation | 263 |
16 |
| Hand held Products, Inc. | 1285 |
15 |
| Canon Finetech Nisca Inc. | 267 |
14 |
| Other owners | 278 |