- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection 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: 441
10-year publication summary
|
36
|
42
|
40
|
40
|
37
|
38
|
38
|
27
|
18
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14335 |
99 |
| Rohm Co., Ltd. | 6824 |
77 |
| Toshiba TEC Corporation | 3902 |
22 |
| Hand held Products, Inc. | 1289 |
21 |
| Brother Industries, Ltd. | 12842 |
19 |
| Hewlett-Packard Development Company, L.P. | 25216 |
18 |
| Canon Inc. | 43768 |
15 |
| Zebra Technologies Corporation | 2378 |
15 |
| Seiko Epson Corporation | 20248 |
12 |
| Sato Corporation | 327 |
11 |
| AOI Electronics Co., Ltd. | 84 |
7 |
| Xerox Corporation | 4394 |
6 |
| Seiko Instruments Inc. | 455 |
6 |
| Avery Dennison Retail Information Services LLC | 1192 |
5 |
| Fujitsu Component Limited | 256 |
4 |
| Ricoh Company, Ltd. | 13346 |
4 |
| NCR Corporation | 78 |
4 |
| DS Global | 41 |
4 |
| Dai Nippon Printing Co., Ltd. | 4237 |
3 |
| Shandong Hualing Electronics Co., Ltd. | 4 |
3 |
| Other owners | 86 |