- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 31/00 - Electric arc lamps
Patent holdings for IPC class H05B 31/00
Total number of patents in this class: 19
10-year publication summary
0
|
3
|
1
|
4
|
0
|
1
|
1
|
1
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Excelitas Technologies Corp. | 290 |
2 |
Ushio Denki Kabushiki Kaisha | 1088 |
2 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
2 |
Hewlett-Packard Development Company, L.P. | 28538 |
1 |
Seiko Epson Corporation | 18724 |
1 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
1 |
Hamamatsu Photonics K.K. | 4161 |
1 |
OSRAM GmbH | 2442 |
1 |
ASM IP Holding B.V. | 1715 |
1 |
Joulwatt Technology (Hangzhou) Co. Ltd. | 40 |
1 |
Robe Lighting, Inc. | 59 |
1 |
ROBE Lighting s.r.o. | 109 |
1 |
Harman Professional Denmark ApS | 143 |
1 |
Ningbo Youming Electrical Appliance Co.,Ltd. | 11 |
1 |
Beijing E-town Semiconductor Technology, Co., Ltd | 246 |
1 |
IML Hong Kong Limited | 34 |
1 |
Other owners | 0 |