- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/345 - 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 characterised by the arrangement of resistors or conductors
Patent holdings for IPC class B41J 2/345
Total number of patents in this class: 85
10-year publication summary
|
5
|
6
|
5
|
4
|
8
|
7
|
8
|
5
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14211 |
37 |
| Rohm Co., Ltd. | 6723 |
20 |
| Hewlett-Packard Development Company, L.P. | 25403 |
11 |
| Brother Industries, Ltd. | 12889 |
3 |
| Hand held Products, Inc. | 1295 |
2 |
| Xerox Corporation | 5704 |
1 |
| Seiko Epson Corporation | 19984 |
1 |
| Lexmark International, Inc. | 1584 |
1 |
| AOI Electronics Co., Ltd. | 82 |
1 |
| citizen Systems Japan Co., Ltd. | 82 |
1 |
| citizen Watch Co., Ltd. | 1080 |
1 |
| Geospace Technologies, LP | 21 |
1 |
| Intermec IP Corp. | 190 |
1 |
| Sata Corporation | 21 |
1 |
| Sato Holdings Kabushiki Kaisha | 472 |
1 |
| Videojet Technologies Inc. | 359 |
1 |
| G-printec Inc. | 22 |
1 |
| Other owners | 0 |