- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 3/00 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
Patent holdings for IPC class B41J 3/00
Total number of patents in this class: 180
10-year publication summary
|
15
|
12
|
15
|
14
|
8
|
10
|
7
|
1
|
5
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12829 |
11 |
| Hewlett-Packard Development Company, L.P. | 25180 |
10 |
| Casio Computer Co., Ltd. | 3496 |
8 |
| The Boeing Company | 20163 |
5 |
| The Procter & Gamble Company | 21849 |
3 |
| Seiko Epson Corporation | 20259 |
3 |
| Toshiba TEC Corporation | 3908 |
3 |
| FUJIFILM Dimatix, Inc. | 243 |
3 |
| Macdonald, Dettwiler and Associates Inc. | 180 |
3 |
| Print-Rite ? Unicorn Image Products Co., Ltd. of Zhuhai | 223 |
3 |
| SICPA Holding SA | 951 |
3 |
| Block, Inc., The | 1680 |
3 |
| Xerox Corporation | 4390 |
2 |
| Canon Inc. | 43869 |
2 |
| Becton, Dickinson and Company | 7573 |
2 |
| FUJIFILM Corporation | 30516 |
2 |
| Koninklijke Philips Electronics N.V. | 7398 |
2 |
| Eastman Kodak Company | 2601 |
2 |
| Konica Minolta, Inc. | 9125 |
2 |
| Funai Electric Co., Ltd. | 502 |
2 |
| Other owners | 106 |