- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- G03G 15/08 - Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
Patent holdings for IPC class G03G 15/08
Total number of patents in this class: 7765
10-year publication summary
|
579
|
621
|
640
|
623
|
719
|
608
|
518
|
464
|
413
|
371
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 41007 |
1614 |
| Brother Industries, Ltd. | 12943 |
1151 |
| Ricoh Company, Ltd. | 13367 |
629 |
| Hewlett-Packard Development Company, L.P. | 25592 |
599 |
| Kyocera Document Solutions Inc. | 5800 |
587 |
| FUJIFILM Business Innovation Corp. | 7735 |
552 |
| Lexmark International, Inc. | 1644 |
400 |
| Canon Kabushiki Kaisha | 7143 |
246 |
| Toshiba TEC Corporation | 3840 |
198 |
| Brother Kogyo Kabushikikaisha | 1789 |
162 |
| Konica Minolta, Inc. | 8888 |
144 |
| Sharp Corporation | 10299 |
136 |
| Oki Electric Industry Co., Ltd. | 1593 |
124 |
| Toshiba Corporation | 12540 |
99 |
| Konica Minolta Business Technologies, Inc. | 1387 |
88 |
| Print-Rite ? Unicorn Image Products Co., Ltd. of Zhuhai | 224 |
65 |
| Bridgestone Corporation | 7216 |
46 |
| Xerox Corporation | 6923 |
45 |
| Sumitomo Riko Company Limited | 1092 |
39 |
| HP Printing Korea Co., Ltd. | 187 |
37 |
| Other owners | 804 |