- All sections
- B - Performing operations; transporting
- B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors
- B41J 2/335 - Structure of thermal heads
Patent holdings for IPC class B41J 2/335
Total number of patents in this class: 420
10-year publication summary
|
31
|
38
|
36
|
42
|
40
|
40
|
37
|
38
|
36
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 12735 |
87 |
| Rohm Co., Ltd. | 5843 |
76 |
| Brother Industries, Ltd. | 13000 |
19 |
| Hewlett-Packard Development Company, L.P. | 28538 |
18 |
| Toshiba TEC Corporation | 3877 |
18 |
| Hand held Products, Inc. | 1227 |
18 |
| Canon Inc. | 36841 |
15 |
| Seiko Epson Corporation | 18724 |
11 |
| Sato Holdings Kabushiki Kaisha | 659 |
11 |
| Zebra Technologies Corporation | 1689 |
11 |
| Seiko Instruments Inc. | 660 |
9 |
| Xerox Corporation | 7503 |
8 |
| AOI Electronics Co., Ltd. | 79 |
7 |
| Alps Alpine Co., Ltd. | 1831 |
7 |
| Avery Dennison Retail Information Services LLC | 1067 |
5 |
| Fujitsu Component Limited | 280 |
4 |
| Ricoh Company, Ltd. | 13266 |
4 |
| NCR Corporation | 688 |
4 |
| DS Global | 40 |
4 |
| Chien Hwa Coating Technology, Inc. | 4 |
3 |
| Other owners | 81 |