- 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 3/00 - 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: 214
10-year publication summary
30
|
17
|
15
|
12
|
15
|
14
|
8
|
10
|
6
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Brother Industries, Ltd. | 13000 |
13 |
Hewlett-Packard Development Company, L.P. | 28538 |
12 |
Xerox Corporation | 7503 |
9 |
Casio Computer Co., Ltd. | 3343 |
8 |
Seiko Epson Corporation | 18724 |
5 |
The Boeing Company | 19843 |
4 |
Elesys, Inc. | 4 |
4 |
The Procter & Gamble Company | 22178 |
3 |
Canon Inc. | 36841 |
3 |
Koninklijke Philips Electronics N.V. | 13133 |
3 |
Toshiba TEC Corporation | 3877 |
3 |
FUJIFILM Dimatix, Inc. | 331 |
3 |
Kellogg North America Company | 24 |
3 |
Macdonald, Dettwiler and Associates Inc. | 69 |
3 |
Print-Rite ? Unicorn Image Products Co., Ltd. of Zhuhai | 237 |
3 |
SICPA Holding SA | 881 |
3 |
Block, Inc., The | 1405 |
3 |
Becton, Dickinson and Company | 6712 |
2 |
FUJIFILM Corporation | 27102 |
2 |
Eastman Kodak Company | 3444 |
2 |
Other owners | 123 |