- All sections
- B - Performing operations; transporting
- B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors
- B41J 2/36 - Print density control
Patent holdings for IPC class B41J 2/36
Total number of patents in this class: 137
10-year publication summary
8
|
16
|
6
|
17
|
10
|
20
|
12
|
13
|
2
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
14 |
Brother Industries, Ltd. | 13000 |
8 |
Seiko Epson Corporation | 18724 |
7 |
Videojet Technologies Inc. | 346 |
7 |
Toshiba TEC Corporation | 3877 |
6 |
Dai Nippon Printing Co., Ltd. | 3891 |
6 |
Canon Inc. | 36841 |
5 |
citizen Watch Co., Ltd. | 1062 |
5 |
Ricoh Company, Ltd. | 13266 |
4 |
Casio Computer Co., Ltd. | 3343 |
4 |
Avery Dennison Retail Information Services LLC | 1067 |
4 |
citizen Holdings Co., Ltd. | 332 |
4 |
citizen Systems Japan Co., Ltd. | 70 |
4 |
Shandong New Beiyang Information Technology Co., Ltd. | 365 |
4 |
Xerox Corporation | 7503 |
3 |
Kyocera Document Solutions Inc. | 5295 |
3 |
Hand held Products, Inc. | 1227 |
3 |
Sato Holdings Kabushiki Kaisha | 659 |
3 |
G-printec Inc. | 24 |
3 |
Sony Corporation | 32931 |
2 |
Other owners | 38 |