- All sections
- B - Performing operationstransporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 31/02 - Pile receivers with stationary end support against which pile accumulates
Patent holdings for IPC class B65H 31/02
Total number of patents in this class: 507
10-year publication summary
|
60
|
78
|
62
|
27
|
24
|
42
|
30
|
56
|
13
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43768 |
75 |
| Seiko Epson Corporation | 20248 |
67 |
| Kyocera Document Solutions Inc. | 6242 |
47 |
| Canon Finetech Nisca Inc. | 272 |
45 |
| Brother Industries, Ltd. | 12842 |
42 |
| Hewlett-Packard Development Company, L.P. | 25216 |
37 |
| Ricoh Company, Ltd. | 13346 |
20 |
| Toshiba Corporation | 12548 |
16 |
| Toshiba TEC Corporation | 3902 |
15 |
| PFU Limited | 781 |
13 |
| FUJIFILM Business Innovation Corp. | 7916 |
13 |
| Glory Ltd. | 1270 |
10 |
| Konica Minolta, Inc. | 9116 |
9 |
| Nisca Corporation | 141 |
8 |
| A. G. Stacker Inc. | 51 |
6 |
| Canon Finetech Inc. | 53 |
6 |
| Sharp Corporation | 10533 |
4 |
| Riso Kagaku Corporation | 641 |
4 |
| United States Postal Service | 1218 |
4 |
| Zebra Technologies Corporation | 2378 |
4 |
| Other owners | 62 |