- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/28 - Arrangements for convergence or focusing
Patent holdings for IPC class H04N 9/28
Total number of patents in this class: 32
10-year publication summary
2
|
2
|
2
|
1
|
1
|
2
|
0
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Thomson Licensing | 4027 |
5 |
Microvision, Inc. | 381 |
4 |
Seiko Epson Corporation | 18724 |
3 |
Texas Instruments Incorporated | 19376 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
Maxell Holdings, Ltd. | 1422 |
2 |
Maxell, Ltd. | 2533 |
2 |
Panasonic Corporation | 20786 |
1 |
Fujitsu Limited | 19265 |
1 |
Amazon Technologies, Inc. | 24422 |
1 |
LG Innotek Co., Ltd. | 6758 |
1 |
Coretronic Corporation | 1165 |
1 |
Fakespace Labs, Inc. | 21 |
1 |
Geo Semiconductor Inc. | 99 |
1 |
Intersil Americas LLC | 462 |
1 |
Qisda Corporation | 392 |
1 |
Rca Corporation | 9 |
1 |
Tektronix, Inc. | 2 |
1 |
Other owners | 0 |