using varifocal lenses or mirrors

Introduced: January 2018

Full Title

Stereoscopic video systems; Multi-view video systems; Details thereof > Image reproducers > for viewing without the aid of special glasses, i.e. using autostereoscopic displays > using varifocal lenses or mirrors

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC COMMUNICATION TECHNIQUE
Subclass:: PICTORIAL COMMUNICATION, e.g. TELEVISION

Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

QUALCOMM US 97,396
HUAWEI TECHNOLOGIES COMPANY CN 96,502
SAMSUNG ELECTRONICS COMPANY KR 86,981
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
HUAWEI TECHNOLOGIES COMPANY 55,349
LG ELECTRONICS KR 53,649
CANON 33,341
SONY CORPORATION JP 32,761
ZTE CORPORATION CN 32,274
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327