- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- G03G 21/02 - Counting the number of copiesBilling
Patent holdings for IPC class G03G 21/02
Total number of patents in this class: 100
10-year publication summary
|
4
|
5
|
4
|
6
|
1
|
3
|
4
|
7
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42088 |
20 |
| Kyocera Document Solutions Inc. | 6020 |
13 |
| Toshiba Corporation | 12698 |
8 |
| Toshiba TEC Corporation | 3891 |
8 |
| Konica Minolta, Inc. | 9003 |
8 |
| Hewlett-Packard Development Company, L.P. | 25403 |
6 |
| Sharp Corporation | 10432 |
6 |
| Konica Minolta Business Technologies, Inc. | 1357 |
6 |
| Xerox Corporation | 5704 |
5 |
| Brother Industries, Ltd. | 12889 |
5 |
| Canon Kabushiki Kaisha | 7200 |
4 |
| nQUEUE, Inc. | 2 |
2 |
| Seiko Epson Corporation | 19984 |
1 |
| Ricoh Company, Ltd. | 13313 |
1 |
| Eastman Kodak Company | 2698 |
1 |
| Oki Data Corporation | 93 |
1 |
| Sharp Kabushiki Kaisha | 18623 |
1 |
| Brother Kogyo Kabushikikaisha | 1789 |
1 |
| Topjet Technology Co., Ltd | 23 |
1 |
| FUJIFILM Business Innovation Corp. | 7845 |
1 |
| Other owners | 1 |