- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/34 - Structure of thermal heads comprising semiconductors
Patent holdings for IPC class B41J 2/34
Total number of patents in this class: 23
10-year publication summary
|
0
|
2
|
2
|
1
|
3
|
3
|
5
|
2
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm Co., Ltd. | 6414 |
11 |
| Xerox Corporation | 7027 |
5 |
| Canon Inc. | 39618 |
3 |
| Seiko Epson Corporation | 19296 |
1 |
| Kyocera Corporation | 13721 |
1 |
| Hurst International, LLC | 9 |
1 |
| Zink Imaging, Inc. | 11 |
1 |
| Other owners | 0 |