- 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 2/52 - Arrangement for printing a discrete number of tones, not covered by group , e.g. applicable to two or more kinds of printing or marking process
Patent holdings for IPC class B41J 2/52
Total number of patents in this class: 100
10-year publication summary
|
5
|
8
|
8
|
12
|
8
|
5
|
3
|
3
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
21 |
| Canon Kabushiki Kaisha | 6884 |
16 |
| Ricoh Company, Ltd. | 13266 |
9 |
| Kyocera Corporation | 12735 |
6 |
| Mimaki Engineering Co., Ltd. | 799 |
6 |
| Hewlett-Packard Development Company, L.P. | 28538 |
4 |
| Canon Inc. | 36841 |
3 |
| Dai Nippon Printing Co., Ltd. | 3891 |
3 |
| Toppan Printing Co., Ltd. | 2212 |
3 |
| Sony Corporation | 32931 |
2 |
| Seiko Epson Corporation | 18724 |
2 |
| Konica Minolta, Inc. | 8349 |
2 |
| Konica Minolta Holdings, Inc. | 1086 |
2 |
| Megadot Systems Limited | 4 |
2 |
| NEC Platforms, Ltd. | 1106 |
2 |
| Xerox Corporation | 7503 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Toshiba TEC Corporation | 3877 |
1 |
| Konica Minolta Business Technologies, Inc. | 1564 |
1 |
| JVC Kenwood Corporation | 2774 |
1 |
| Other owners | 12 |