- 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: 187
10-year publication summary
|
17
|
15
|
12
|
15
|
14
|
8
|
10
|
7
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12958 |
12 |
| Hewlett-Packard Development Company, L.P. | 25903 |
11 |
| Xerox Corporation | 7021 |
9 |
| Casio Computer Co., Ltd. | 3423 |
8 |
| The Boeing Company | 20042 |
4 |
| The Procter & Gamble Company | 22037 |
3 |
| Seiko Epson Corporation | 19319 |
3 |
| Toshiba TEC Corporation | 3781 |
3 |
| FUJIFILM Dimatix, Inc. | 284 |
3 |
| Kellogg North America Company | 16 |
3 |
| Macdonald, Dettwiler and Associates Inc. | 141 |
3 |
| Print-Rite ? Unicorn Image Products Co., Ltd. of Zhuhai | 227 |
3 |
| Block, Inc., The | 1551 |
3 |
| Canon Inc. | 39713 |
2 |
| Becton, Dickinson and Company | 7247 |
2 |
| FUJIFILM Corporation | 29305 |
2 |
| Koninklijke Philips Electronics N.V. | 9765 |
2 |
| Eastman Kodak Company | 2910 |
2 |
| Konica Minolta, Inc. | 8704 |
2 |
| Funai Electric Co., Ltd. | 526 |
2 |
| Other owners | 105 |