- 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: 12833
10-year publication summary
1246
|
1256
|
1319
|
1401
|
1152
|
1023
|
831
|
704
|
635
|
163
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Canon Inc. | 36841 |
3316 |
Brother Industries, Ltd. | 13000 |
1424 |
Ricoh Company, Ltd. | 13266 |
972 |
Kyocera Document Solutions Inc. | 5295 |
858 |
FUJIFILM Business Innovation Corp. | 7395 |
799 |
Hewlett-Packard Development Company, L.P. | 28538 |
786 |
Konica Minolta, Inc. | 8349 |
725 |
Toshiba TEC Corporation | 3877 |
519 |
Toshiba Corporation | 12017 |
318 |
Sharp Corporation | 10015 |
314 |
Konica Minolta Business Technologies, Inc. | 1564 |
246 |
Lexmark International, Inc. | 1793 |
244 |
Xerox Corporation | 7503 |
217 |
Canon Kabushiki Kaisha | 6884 |
179 |
Oki Electric Industry Co., Ltd. | 1652 |
149 |
Eastman Kodak Company | 3444 |
118 |
Seiko Epson Corporation | 18724 |
105 |
HP Indigo B.V. | 540 |
96 |
Canon Finetech Nisca Inc. | 246 |
86 |
Kyocera Mita Corporation | 268 |
59 |
Other owners | 1303 |