- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- 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: 12929
10-year publication summary
1256
|
1319
|
1401
|
1152
|
1023
|
831
|
715
|
693
|
645
|
305
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Canon Inc. | 39268 |
3503 |
Brother Industries, Ltd. | 12948 |
1410 |
Ricoh Company, Ltd. | 13206 |
999 |
Kyocera Document Solutions Inc. | 5491 |
886 |
FUJIFILM Business Innovation Corp. | 7571 |
832 |
Konica Minolta, Inc. | 8649 |
764 |
Hewlett-Packard Development Company, L.P. | 25974 |
742 |
Toshiba TEC Corporation | 3773 |
529 |
Sharp Corporation | 10294 |
302 |
Toshiba Corporation | 12264 |
297 |
Lexmark International, Inc. | 1689 |
231 |
Konica Minolta Business Technologies, Inc. | 1445 |
227 |
Canon Kabushiki Kaisha | 7041 |
185 |
Xerox Corporation | 7029 |
181 |
Oki Electric Industry Co., Ltd. | 1595 |
146 |
Seiko Epson Corporation | 19253 |
106 |
Eastman Kodak Company | 2931 |
105 |
HP Indigo B.V. | 529 |
92 |
Canon Finetech Nisca Inc. | 251 |
88 |
Mitsubishi Chemical Corporation | 4473 |
46 |
Other owners | 1258 |