- All sections
- B - Performing operationstransporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 31/20 - Pile receivers adjustable for different article sizes
Patent holdings for IPC class B65H 31/20
Total number of patents in this class: 223
10-year publication summary
|
27
|
27
|
15
|
15
|
15
|
11
|
15
|
13
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44222 |
28 |
| Seiko Epson Corporation | 20406 |
27 |
| Brother Industries, Ltd. | 12831 |
16 |
| Kyocera Document Solutions Inc. | 6345 |
14 |
| Hewlett-Packard Development Company, L.P. | 25148 |
11 |
| PFU Limited | 786 |
10 |
| Toshiba TEC Corporation | 3910 |
7 |
| Oki Electric Industry Co., Ltd. | 1575 |
7 |
| Canon Finetech Nisca Inc. | 272 |
6 |
| Ricoh Company, Ltd. | 13355 |
5 |
| Koenig & Bauer AG | 960 |
5 |
| Toshiba Corporation | 12660 |
4 |
| Konica Minolta, Inc. | 9165 |
4 |
| Canon Denshi Kabushiki Kaisha | 182 |
4 |
| Nisca Corporation | 140 |
4 |
| Riso Kagaku Corporation | 645 |
4 |
| FUJIFILM Business Innovation Corp. | 7996 |
4 |
| Bobst Lyon | 75 |
3 |
| Kabushiki Kaisha Isowa | 28 |
3 |
| Fujitsu Frontech Limited | 386 |
3 |
| Other owners | 54 |