- All sections
- G - Physics
- G03G - Electrographyelectrophotographymagnetography
- G03G 21/16 - Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
Patent holdings for IPC class G03G 21/16
Total number of patents in this class: 5228
10-year publication summary
|
450
|
481
|
416
|
475
|
457
|
335
|
369
|
337
|
350
|
220
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44011 |
1543 |
| Brother Industries, Ltd. | 12823 |
1305 |
| Kyocera Document Solutions Inc. | 6286 |
511 |
| Ricoh Company, Ltd. | 13336 |
316 |
| FUJIFILM Business Innovation Corp. | 7956 |
218 |
| Hewlett-Packard Development Company, L.P. | 25172 |
207 |
| Lexmark International, Inc. | 1534 |
202 |
| Brother Kogyo Kabushikikaisha | 1802 |
123 |
| Canon Kabushiki Kaisha | 7362 |
108 |
| Sharp Corporation | 10575 |
93 |
| Toshiba TEC Corporation | 3905 |
79 |
| Konica Minolta, Inc. | 9143 |
65 |
| Oki Electric Industry Co., Ltd. | 1572 |
49 |
| Seiko Epson Corporation | 20327 |
32 |
| Toshiba Corporation | 12584 |
27 |
| Mitsubishi Chemical Corporation | 4724 |
27 |
| Zhuhai Pantum Electronics Co., Ltd. | 260 |
18 |
| Zhuhai Ninestar Information Technology Co., Ltd. | 52 |
17 |
| Ninestar Corporation | 58 |
16 |
| Jiangxi Yibo E-Tech Co., Ltd. | 53 |
14 |
| Other owners | 258 |