- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 47/23 - Responsive to malfunctions or to light source lifeCircuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection of two or more light sources connected in series
Patent holdings for IPC class H05B 47/23
Total number of patents in this class: 41
10-year publication summary
|
0
|
0
|
0
|
4
|
13
|
4
|
7
|
7
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19487 |
3 |
| Seasonal Specialties, LLC | 85 |
3 |
| Hexmodal Technologies LLC | 7 |
3 |
| Rohm Co., Ltd. | 6411 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14238 |
2 |
| Signify Holding B.V. | 7421 |
2 |
| Hotalux, Ltd. | 95 |
2 |
| Apple Inc. | 54479 |
1 |
| Honeywell International Inc. | 13564 |
1 |
| Seiko Epson Corporation | 19269 |
1 |
| Infineon Technologies AG | 8199 |
1 |
| Mitsubishi Electric Corporation | 45811 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
1 |
| Koito Manufacturing Co., Ltd. | 2210 |
1 |
| Sanoh Industrial Co., Ltd. | 207 |
1 |
| Schreder | 46 |
1 |
| Schreder, S.A. | 289 |
1 |
| Semisilicon Technology Corp. | 61 |
1 |
| Wangs Alliance Corp., DBA WAC Lighting | 203 |
1 |
| Wuhan China Star Optoelectronics Technology Co., Ltd. | 4165 |
1 |
| Other owners | 11 |