- 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: 709
10-year publication summary
|
29
|
63
|
52
|
71
|
65
|
59
|
85
|
71
|
52
|
11
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19227 |
106 |
| Brother Kogyo Kabushikikaisha | 1657 |
97 |
| Brother Industries, Ltd. | 13288 |
52 |
| Sato Holdings Kabushiki Kaisha | 607 |
51 |
| Hewlett-Packard Development Company, L.P. | 29764 |
44 |
| Ricoh Company, Ltd. | 14097 |
35 |
| King Jim Co., Ltd. | 116 |
23 |
| The Procter & Gamble Company | 22479 |
21 |
| Casio Computer Co., Ltd. | 3335 |
20 |
| Zebra Technologies Corporation | 1382 |
20 |
| Fujitsu Component Limited | 349 |
16 |
| Toshiba TEC Corporation | 3910 |
16 |
| Colop Digital GmbH | 18 |
11 |
| Lexmark International, Inc. | 1974 |
10 |
| Hand held Products, Inc. | 1183 |
7 |
| Canon Inc. | 36837 |
6 |
| Seiko Instruments Inc. | 708 |
6 |
| Marvell World Trade Ltd. | 958 |
6 |
| Avery Dennison Retail Information Services LLC | 1038 |
6 |
| EBS Ink Jet Systeme GmbH | 34 |
6 |
| Other owners | 150 |