- All sections
- G - Physics
- G09G - Arrangements or circuits for control of indicating devices using static means to present variable information
- G09G 3/291 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
Patent holdings for IPC class G09G 3/291
Total number of patents in this class: 100
10-year publication summary
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Panasonic Corporation | 20786 |
59 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
26 |
Fujitsu Hitachi Plasma Display Limited | 59 |
7 |
Hitachi Plasma Display Limited | 93 |
3 |
Hitachi Plasma Patent Licensing Co., Ltd. | 12 |
3 |
Fujitsu Limited | 19265 |
1 |
Hitachi, Ltd. | 16452 |
1 |
Other owners | 0 |