- 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: 511
10-year publication summary
|
60
|
78
|
62
|
27
|
24
|
42
|
30
|
56
|
14
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44285 |
76 |
| Seiko Epson Corporation | 20446 |
67 |
| Kyocera Document Solutions Inc. | 6360 |
47 |
| Canon Finetech Nisca Inc. | 274 |
45 |
| Brother Industries, Ltd. | 12827 |
42 |
| Hewlett-Packard Development Company, L.P. | 25139 |
37 |
| Ricoh Company, Ltd. | 13386 |
20 |
| Toshiba Corporation | 12726 |
16 |
| Toshiba TEC Corporation | 3912 |
15 |
| PFU Limited | 787 |
13 |
| FUJIFILM Business Innovation Corp. | 8039 |
13 |
| Glory Ltd. | 1291 |
10 |
| Konica Minolta, Inc. | 9176 |
9 |
| Nisca Corporation | 139 |
8 |
| A. G. Stacker Inc. | 52 |
6 |
| Canon Finetech Inc. | 53 |
6 |
| Sharp Corporation | 10868 |
4 |
| Japan Cash Machine Co., Ltd. | 312 |
4 |
| Riso Kagaku Corporation | 644 |
4 |
| United States Postal Service | 1216 |
4 |
| Other owners | 65 |