- All sections
- B - Performing operations; transporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 31/38 - Apparatus for vibrating or knocking the pile during piling
Patent holdings for IPC class B65H 31/38
Total number of patents in this class: 129
10-year publication summary
|
19
|
23
|
13
|
17
|
12
|
6
|
12
|
7
|
5
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Finetech Nisca Inc. | 246 |
19 |
| Canon Inc. | 36841 |
18 |
| Ricoh Company, Ltd. | 13266 |
11 |
| Toshiba Corporation | 12017 |
7 |
| Toshiba TEC Corporation | 3877 |
6 |
| Kyocera Document Solutions Inc. | 5295 |
6 |
| Hewlett-Packard Development Company, L.P. | 28538 |
5 |
| A. G. Stacker Inc. | 44 |
4 |
| Koenig & Bauer AG | 958 |
4 |
| bielomatik Leuze GmbH + Co. KG | 70 |
3 |
| Heidelberger Druckmaschinen AG | 473 |
3 |
| Nisca Corporation | 168 |
3 |
| Xerox Corporation | 7503 |
2 |
| Brother Industries, Ltd. | 13000 |
2 |
| Konica Minolta, Inc. | 8349 |
2 |
| Canon Finetech Inc. | 75 |
2 |
| Corning Precision Materials Co., Ltd. | 211 |
2 |
| GRG Banking Equipment Co., Ltd. | 358 |
2 |
| Japan Cash Machine Co., Ltd. | 241 |
2 |
| Riso Kagaku Corporation | 666 |
2 |
| Other owners | 24 |