- 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: 5153
10-year publication summary
|
450
|
481
|
416
|
475
|
457
|
335
|
370
|
332
|
344
|
138
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42633 |
1497 |
| Brother Industries, Ltd. | 12858 |
1310 |
| Kyocera Document Solutions Inc. | 6134 |
498 |
| Ricoh Company, Ltd. | 13309 |
317 |
| FUJIFILM Business Innovation Corp. | 7853 |
214 |
| Hewlett-Packard Development Company, L.P. | 25317 |
207 |
| Lexmark International, Inc. | 1562 |
201 |
| Brother Kogyo Kabushikikaisha | 1787 |
122 |
| Canon Kabushiki Kaisha | 7258 |
107 |
| Sharp Corporation | 10484 |
92 |
| Toshiba TEC Corporation | 3886 |
81 |
| Konica Minolta, Inc. | 9056 |
65 |
| Oki Electric Industry Co., Ltd. | 1576 |
47 |
| Seiko Epson Corporation | 20081 |
32 |
| Toshiba Corporation | 12687 |
27 |
| Mitsubishi Chemical Corporation | 4665 |
27 |
| Zhuhai Ninestar Information Technology Co., Ltd. | 52 |
17 |
| Ninestar Corporation | 58 |
16 |
| Zhuhai Pantum Electronics Co., Ltd. | 253 |
15 |
| Jiangxi Yibo E-Tech Co., Ltd. | 54 |
14 |
| Other owners | 247 |