- 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: 829
10-year publication summary
74
|
69
|
92
|
86
|
58
|
64
|
61
|
46
|
48
|
33
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Brother Industries, Ltd. | 12949 |
77 |
Dai Nippon Printing Co., Ltd. | 4126 |
58 |
Toshiba TEC Corporation | 3823 |
48 |
Seiko Epson Corporation | 19671 |
42 |
Mitsubishi Electric Corporation | 46618 |
39 |
Zebra Technologies Corporation | 2253 |
27 |
Videojet Technologies Inc. | 350 |
26 |
citizen Systems Japan Co., Ltd. | 81 |
23 |
citizen Watch Co., Ltd. | 1079 |
23 |
Sato Holdings Kabushiki Kaisha | 522 |
23 |
Ceraloc Innovation AB | 173 |
21 |
Dover Europe Sàrl | 275 |
21 |
Brother Kogyo Kabushikikaisha | 1785 |
18 |
Nisca Corporation | 150 |
17 |
Toppan Printing Co., Ltd. | 2128 |
17 |
Toshiba Corporation | 12514 |
16 |
Sato Corporation | 182 |
16 |
Entrust Corporation | 277 |
16 |
Hand held Products, Inc. | 1270 |
15 |
Canon Finetech Nisca Inc. | 259 |
14 |
Other owners | 272 |