- All sections
- G - Physics
- G03G - Electrography; electrophotography; magnetography
- G03G 15/00 - Apparatus for electrographic processes using a charge pattern
Patent holdings for IPC class G03G 15/00
Total number of patents in this class: 13669
10-year publication summary
|
1190
|
1246
|
1256
|
1319
|
1401
|
1152
|
1020
|
819
|
636
|
166
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36837 |
3348 |
| Brother Industries, Ltd. | 13288 |
1500 |
| Ricoh Company, Ltd. | 14097 |
1081 |
| Kyocera Document Solutions Inc. | 5750 |
978 |
| Hewlett-Packard Development Company, L.P. | 29764 |
872 |
| FUJIFILM Business Innovation Corp. | 7548 |
808 |
| Konica Minolta, Inc. | 8207 |
732 |
| Toshiba TEC Corporation | 3910 |
528 |
| Toshiba Corporation | 12041 |
360 |
| Sharp Corporation | 11072 |
357 |
| Xerox Corporation | 6818 |
285 |
| Konica Minolta Business Technologies, Inc. | 1728 |
278 |
| Lexmark International, Inc. | 1974 |
252 |
| Canon Kabushiki Kaisha | 6680 |
180 |
| Oki Electric Industry Co., Ltd. | 1737 |
161 |
| Eastman Kodak Company | 4130 |
130 |
| Seiko Epson Corporation | 19227 |
104 |
| HP Indigo B.V. | 580 |
104 |
| Kyocera Mita Corporation | 392 |
95 |
| Canon Finetech Nisca Inc. | 261 |
90 |
| Other owners | 1426 |