- All sections
- G - Physics
- G06K - Graphical data readingpresentation of datarecord carriershandling record carriers
- G06K 21/00 - Information retrieval from punched cards designed for manual use or handling by machine Apparatus for handling such cards, e.g. marking or correcting
Patent holdings for IPC class G06K 21/00
Total number of patents in this class: 9
10-year publication summary
|
1
|
3
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17819 |
1 |
| Target Brands, Inc. | 4030 |
1 |
| Motorola, Inc. | 2080 |
1 |
| RPX Corporation | 1341 |
1 |
| Dynamics Inc. | 273 |
1 |
| Sagem Securite | 31 |
1 |
| Secom Holdings, LLC | 8 |
1 |
| Idemia Identity & Security France | 174 |
1 |
| 11967134 Canada Limited | 7 |
1 |
| Other owners | 0 |