CPC Subgroup Additional Only
H03K 2217/9655 using a single or more light guides
Full Title
Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 > characterised by the way in which the control signal is generated > Switches controlled by moving an element forming part of the switch > with illumination > using a single or more light guides
Top Applicants
Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 7,293
- QUALCOMM US 7,085
- MURATA MANUFACTURING COMPANY JP 5,982
- HUAWEI TECHNOLOGIES COMPANY CN 4,641
- INTEL CORPORATION US 3,863
- TEXAS INSTRUMENTS US 3,409
- MURATA MANUFACTURING COMPANY 2,874
- SK HYNIX KR 2,644
- SKYWORKS SOLUTIONS US 2,545
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,437