- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 47/23 - Circuit 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: 35
10-year publication summary
|
1
|
0
|
0
|
0
|
4
|
13
|
4
|
7
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
3 |
| Seasonal Specialties, LLC | 84 |
3 |
| Hexmodal Technologies LLC | 6 |
3 |
| Rohm Co., Ltd. | 5843 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
2 |
| Signify Holding B.V. | 6837 |
2 |
| Hotalux, Ltd. | 88 |
2 |
| Apple Inc. | 50209 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Seiko Epson Corporation | 18724 |
1 |
| Infineon Technologies AG | 8189 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Koito Manufacturing Co., Ltd. | 1991 |
1 |
| Schreder | 45 |
1 |
| Schreder, S.A. | 270 |
1 |
| Semisilicon Technology Corp. | 59 |
1 |
| Wuhan China Star Optoelectronics Technology Co., Ltd. | 3894 |
1 |
| Zkw Group GmbH | 578 |
1 |
| ADB Safegate Americas LLC | 10 |
1 |
| Other owners | 5 |