- 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: 7106
10-year publication summary
|
521
|
598
|
586
|
768
|
625
|
487
|
422
|
349
|
299
|
266
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 26514 |
739 |
| Seiko Epson Corporation | 19005 |
731 |
| Hewlett-Packard Development Company, L.P. | 29405 |
395 |
| Ricoh Company, Ltd. | 13587 |
317 |
| Brother Industries, Ltd. | 13156 |
287 |
| Konica Minolta, Inc. | 8278 |
285 |
| Mimaki Engineering Co., Ltd. | 799 |
272 |
| Canon Inc. | 36717 |
258 |
| Canon Kabushiki Kaisha | 6835 |
195 |
| Xerox Corporation | 7813 |
191 |
| Nippon Kayaku Kabushiki Kaisha | 1415 |
170 |
| Screen Holdings Co., Ltd. | 2304 |
116 |
| Sakata INX Corp. | 323 |
113 |
| DIC Corporation | 3487 |
105 |
| Konica Minolta Medical & Graphic, Inc. | 1005 |
104 |
| Kao Corporation | 4835 |
103 |
| Riso Kagaku Corporation | 675 |
80 |
| Kyocera Corporation | 12514 |
79 |
| Landa Corporation Ltd. | 211 |
73 |
| Kyocera Document Solutions Inc. | 5490 |
68 |
| Other owners | 2425 |