- All sections
- B - Performing operations; transporting
- 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: 201
10-year publication summary
|
22
|
17
|
27
|
27
|
15
|
15
|
13
|
11
|
10
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
25 |
| Seiko Epson Corporation | 18724 |
19 |
| Brother Industries, Ltd. | 13000 |
16 |
| Kyocera Document Solutions Inc. | 5295 |
14 |
| Hewlett-Packard Development Company, L.P. | 28538 |
13 |
| PFU Limited | 707 |
8 |
| Oki Electric Industry Co., Ltd. | 1652 |
7 |
| Toshiba TEC Corporation | 3877 |
6 |
| Canon Finetech Nisca Inc. | 246 |
6 |
| Toshiba Corporation | 12017 |
4 |
| Ricoh Company, Ltd. | 13266 |
4 |
| Konica Minolta, Inc. | 8349 |
4 |
| Canon Denshi Kabushiki Kaisha | 176 |
4 |
| Koenig & Bauer AG | 958 |
4 |
| Nisca Corporation | 168 |
4 |
| Riso Kagaku Corporation | 666 |
4 |
| Kabushiki Kaisha Isowa | 27 |
3 |
| FUJIFILM Business Innovation Corp. | 7395 |
3 |
| Konica Minolta Business Technologies, Inc. | 1564 |
2 |
| Avision Inc. | 281 |
2 |
| Other owners | 49 |