- 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: 89
10-year publication summary
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5
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6
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5
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4
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8
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7
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8
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5
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4
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5
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14433 |
40 |
| Rohm Co., Ltd. | 6885 |
22 |
| Hewlett-Packard Development Company, L.P. | 25174 |
11 |
| Brother Industries, Ltd. | 12836 |
3 |
| Hand held Products, Inc. | 1289 |
2 |
| Xerox Corporation | 4386 |
1 |
| Seiko Epson Corporation | 20365 |
1 |
| AOI Electronics Co., Ltd. | 85 |
1 |
| citizen Systems Japan Co., Ltd. | 84 |
1 |
| citizen Watch Co., Ltd. | 1091 |
1 |
| Geospace Technologies, LP | 21 |
1 |
| Intermec IP Corp. | 178 |
1 |
| Sata Corporation | 24 |
1 |
| Sato Holdings Kabushiki Kaisha | 379 |
1 |
| Videojet Technologies Inc. | 363 |
1 |
| G-printec Inc. | 22 |
1 |
| Other owners | 0 |