- All sections
- B - Performing operationstransporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 3/52 - Friction retainers acting on under or rear side of article being separated
Patent holdings for IPC class B65H 3/52
Total number of patents in this class: 435
10-year publication summary
|
39
|
29
|
55
|
44
|
24
|
19
|
16
|
19
|
11
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 12959 |
57 |
| Canon Inc. | 40352 |
44 |
| Seiko Epson Corporation | 19510 |
43 |
| PFU Limited | 744 |
37 |
| Kyocera Document Solutions Inc. | 5693 |
24 |
| Ricoh Company, Ltd. | 13316 |
23 |
| Hewlett-Packard Development Company, L.P. | 25813 |
15 |
| Toshiba TEC Corporation | 3810 |
12 |
| Toshiba Corporation | 12472 |
9 |
| Sharp Corporation | 10274 |
7 |
| Oki Electric Industry Co., Ltd. | 1589 |
7 |
| Avision Inc. | 282 |
7 |
| Canon Denshi Kabushiki Kaisha | 182 |
7 |
| Tritek Technologies, Inc. | 17 |
7 |
| FUJIFILM Business Innovation Corp. | 7637 |
7 |
| Lexmark International, Inc. | 1665 |
6 |
| Sumitomo Riko Company Limited | 1066 |
5 |
| Francotyp-Postalia GmbH | 156 |
4 |
| Glory Ltd. | 1217 |
4 |
| OPEX Corporation | 192 |
4 |
| Other owners | 106 |