- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/01 - Ink jet
Patent holdings for IPC class B41J 2/01
Total number of patents in this class: 7029
10-year publication summary
|
768
|
626
|
489
|
422
|
357
|
332
|
351
|
312
|
238
|
172
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30628 |
777 |
| Seiko Epson Corporation | 20365 |
715 |
| Hewlett-Packard Development Company, L.P. | 25174 |
359 |
| Mimaki Engineering Co., Ltd. | 932 |
324 |
| Konica Minolta, Inc. | 9159 |
320 |
| Ricoh Company, Ltd. | 13334 |
267 |
| Brother Industries, Ltd. | 12836 |
258 |
| Canon Inc. | 44134 |
232 |
| Nippon Kayaku Kabushiki Kaisha | 1463 |
152 |
| Kyocera Corporation | 14433 |
140 |
| Sakata INX Corp. | 402 |
138 |
| Screen Holdings Co., Ltd. | 3198 |
138 |
| Canon Kabushiki Kaisha | 7369 |
134 |
| Kao Corporation | 5083 |
113 |
| DIC Corporation | 3982 |
110 |
| Xerox Corporation | 4386 |
107 |
| Landa Corporation Ltd. | 258 |
104 |
| Brother Kogyo Kabushikikaisha | 1805 |
86 |
| Kyocera Document Solutions Inc. | 6323 |
82 |
| Roland DG Corporation | 406 |
78 |
| Other owners | 2395 |