- All sections
- G - Physics
- G04C - Electromechanical clocks or watches
- G04C 19/02 - Producing optical time signals at prefixed times by electric means by electric lamps
Patent holdings for IPC class G04C 19/02
Total number of patents in this class: 18
10-year publication summary
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1
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1
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0
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2
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0
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2
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1
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2
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1
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pictiva Displays International Limited | 269 |
5 |
| Koninklijke Philips N.V. | 22975 |
2 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| Panasonic Intellectual Property Corporation of America | 7230 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
1 |
| OSRAM Opto Semiconductors GmbH | 3390 |
1 |
| Luminosity Industries LLC | 2 |
1 |
| Preciflex SA | 53 |
1 |
| Chromaviso A/S | 19 |
1 |
| KO, Hyun Seok | 3 |
1 |
| KO, In Seok | 3 |
1 |
| Happy Tykes, Inc. | 4 |
1 |
| Leia SPV LLC | 130 |
1 |
| Other owners | 0 |