- All sections
- B - Performing operationstransporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 31/00 - Pile receivers
Patent holdings for IPC class B65H 31/00
Total number of patents in this class: 276
10-year publication summary
|
24
|
28
|
17
|
18
|
20
|
13
|
9
|
15
|
13
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 38148 |
27 |
| Brother Industries, Ltd. | 12908 |
19 |
| Kyocera Document Solutions Inc. | 5366 |
14 |
| Hewlett-Packard Development Company, L.P. | 27461 |
13 |
| Seiko Epson Corporation | 18989 |
13 |
| Ricoh Company, Ltd. | 13216 |
13 |
| Sharp Corporation | 10191 |
11 |
| Oki Electric Industry Co., Ltd. | 1600 |
9 |
| PFU Limited | 738 |
8 |
| FUJIFILM Business Innovation Corp. | 7426 |
8 |
| Glory Ltd. | 1182 |
7 |
| Riso Kagaku Corporation | 658 |
7 |
| Universal Entertainment Corporation | 588 |
7 |
| Xerox Corporation | 7076 |
6 |
| Toshiba TEC Corporation | 3692 |
6 |
| Nisca Corporation | 159 |
6 |
| Veltek Associates, Inc. | 291 |
6 |
| Canon Finetech Nisca Inc. | 244 |
5 |
| Toshiba Corporation | 12051 |
4 |
| DMT Solutions Global Corporation, DBA BlueCrest | 256 |
4 |
| Other owners | 83 |