- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/36 - Print density control
Patent holdings for IPC class B41J 2/36
Total number of patents in this class: 131
10-year publication summary
|
6
|
17
|
10
|
20
|
12
|
13
|
5
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47722 |
14 |
| Brother Industries, Ltd. | 12858 |
10 |
| Videojet Technologies Inc. | 360 |
7 |
| Seiko Epson Corporation | 20081 |
6 |
| Toshiba TEC Corporation | 3886 |
6 |
| Canon Inc. | 42633 |
5 |
| citizen Watch Co., Ltd. | 1081 |
5 |
| Ricoh Company, Ltd. | 13309 |
4 |
| Casio Computer Co., Ltd. | 3490 |
4 |
| Dai Nippon Printing Co., Ltd. | 4217 |
4 |
| Avery Dennison Retail Information Services LLC | 1180 |
4 |
| citizen Systems Japan Co., Ltd. | 83 |
4 |
| Shandong New Beiyang Information Technology Co., Ltd. | 373 |
4 |
| Xerox Corporation | 4703 |
3 |
| Kyocera Document Solutions Inc. | 6134 |
3 |
| Hand held Products, Inc. | 1285 |
3 |
| G-printec Inc. | 22 |
3 |
| Hewlett-Packard Development Company, L.P. | 25317 |
2 |
| Kyocera Corporation | 14278 |
2 |
| citizen Holdings Co., Ltd. | 273 |
2 |
| Other owners | 36 |