- All sections
- G - Physics
- G06K - Graphical data reading; presentation of data; record carriers; handling 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
0
|
1
|
3
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
3m Innovative Properties Company | 18406 |
1 |
Target Brands, Inc. | 3883 |
1 |
Motorola, Inc. | 2873 |
1 |
RPX Corporation | 1571 |
1 |
Dynamics Inc. | 261 |
1 |
Sagem Securite | 36 |
1 |
Secom Holdings, LLC | 8 |
1 |
Idemia Identity & Security France | 412 |
1 |
11967134 Canada Limited | 8 |
1 |
Other owners | 0 |