- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 3/36 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for portability
Patent holdings for IPC class B41J 3/36
Total number of patents in this class: 750
10-year publication summary
|
71
|
65
|
59
|
87
|
75
|
58
|
38
|
32
|
37
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20259 |
112 |
| Brother Kogyo Kabushikikaisha | 1805 |
88 |
| Brother Industries, Ltd. | 12829 |
70 |
| Sato Holdings Kabushiki Kaisha | 379 |
50 |
| Zebra Technologies Corporation | 2387 |
38 |
| Hewlett-Packard Development Company, L.P. | 25180 |
36 |
| Ricoh Company, Ltd. | 13333 |
30 |
| King Jim Co., Ltd. | 122 |
23 |
| The Procter & Gamble Company | 21849 |
21 |
| Casio Computer Co., Ltd. | 3496 |
19 |
| Fujitsu Component Limited | 256 |
15 |
| Toshiba TEC Corporation | 3908 |
13 |
| Dusty Robotics, Inc. | 36 |
10 |
| FUJIFILM Corporation | 30516 |
9 |
| Colop Digital GmbH | 17 |
9 |
| Seiko Instruments Inc. | 453 |
8 |
| Sato Corporation | 327 |
8 |
| Canon Inc. | 43869 |
7 |
| Lexmark International, Inc. | 1537 |
6 |
| Avery Dennison Retail Information Services LLC | 1192 |
6 |
| Other owners | 172 |