- 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 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: 711
10-year publication summary
|
63
|
52
|
71
|
65
|
59
|
86
|
74
|
55
|
33
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
109 |
| Brother Kogyo Kabushikikaisha | 1709 |
96 |
| Brother Industries, Ltd. | 13000 |
58 |
| Sato Holdings Kabushiki Kaisha | 659 |
53 |
| Hewlett-Packard Development Company, L.P. | 28538 |
36 |
| Ricoh Company, Ltd. | 13266 |
31 |
| Zebra Technologies Corporation | 1689 |
26 |
| King Jim Co., Ltd. | 116 |
23 |
| The Procter & Gamble Company | 22178 |
21 |
| Casio Computer Co., Ltd. | 3343 |
20 |
| Fujitsu Component Limited | 280 |
15 |
| Toshiba TEC Corporation | 3877 |
15 |
| Lexmark International, Inc. | 1793 |
9 |
| Colop Digital GmbH | 16 |
9 |
| Seiko Instruments Inc. | 660 |
8 |
| Canon Inc. | 36841 |
6 |
| Marvell World Trade Ltd. | 957 |
6 |
| Avery Dennison Retail Information Services LLC | 1067 |
6 |
| Hand held Products, Inc. | 1227 |
6 |
| EBS Ink Jet Systeme GmbH | 33 |
5 |
| Other owners | 153 |