- 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: 275
10-year publication summary
|
28
|
17
|
18
|
20
|
13
|
9
|
16
|
15
|
5
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44051 |
28 |
| Brother Industries, Ltd. | 12830 |
19 |
| Kyocera Document Solutions Inc. | 6308 |
15 |
| Seiko Epson Corporation | 20337 |
14 |
| Hewlett-Packard Development Company, L.P. | 25170 |
13 |
| Ricoh Company, Ltd. | 13333 |
13 |
| Sharp Corporation | 10821 |
11 |
| Oki Electric Industry Co., Ltd. | 1574 |
9 |
| PFU Limited | 785 |
8 |
| FUJIFILM Business Innovation Corp. | 7959 |
8 |
| Glory Ltd. | 1273 |
7 |
| Riso Kagaku Corporation | 644 |
7 |
| Universal Entertainment Corporation | 495 |
7 |
| Xerox Corporation | 4386 |
6 |
| Nisca Corporation | 141 |
6 |
| Toshiba TEC Corporation | 3906 |
5 |
| Veltek Associates, Inc. | 299 |
5 |
| Canon Finetech Nisca Inc. | 272 |
5 |
| Toshiba Corporation | 12594 |
4 |
| FUJIFILM Corporation | 30594 |
3 |
| Other owners | 82 |