- 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 2/01 - Ink jet
Patent holdings for IPC class B41J 2/01
Total number of patents in this class: 7013
10-year publication summary
598
|
586
|
768
|
625
|
489
|
422
|
354
|
307
|
282
|
60
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FUJIFILM Corporation | 27102 |
749 |
Seiko Epson Corporation | 18724 |
712 |
Hewlett-Packard Development Company, L.P. | 28538 |
389 |
Ricoh Company, Ltd. | 13266 |
312 |
Konica Minolta, Inc. | 8349 |
288 |
Brother Industries, Ltd. | 13000 |
276 |
Mimaki Engineering Co., Ltd. | 799 |
274 |
Canon Inc. | 36841 |
235 |
Canon Kabushiki Kaisha | 6884 |
187 |
Xerox Corporation | 7503 |
179 |
Nippon Kayaku Kabushiki Kaisha | 1400 |
171 |
Sakata INX Corp. | 345 |
120 |
Screen Holdings Co., Ltd. | 2431 |
117 |
Kao Corporation | 4843 |
105 |
DIC Corporation | 3597 |
105 |
Konica Minolta Medical & Graphic, Inc. | 986 |
101 |
Kyocera Corporation | 12735 |
82 |
Riso Kagaku Corporation | 666 |
80 |
Landa Corporation Ltd. | 223 |
77 |
Kyocera Document Solutions Inc. | 5295 |
69 |
Other owners | 2385 |