Inventor
YUHARA AKITSUNA
JP18 patents
⚠️ This page may combine multiple inventors who share the name “YUHARA AKITSUNA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS6134264AOct 17, 2000
Spread spectrum communication device and communication system
HITACHI LTD45 citations92
US4942327AJul 17, 1990
Solid state electronic device
HITACHI LTD38 citations92
US4775814AOct 4, 1988
Saw device
HITACHI LTD41 citations92
US4296391AOct 20, 1981
Surface-acoustic-wave filter for channel selection system of television receiver
HITACHI LTD34 citations92
US5144185ASep 1, 1992
SAW device
HITACHI LTD25 citations89
US4939487AJul 3, 1990
Surface acoustic wave filter
HITACHI LTD19 citations73
US4500807AFeb 19, 1985
Surface acoustic wave transmission device for a low frequency signal below 30 MHz
HITACHI LTD12 citations73
US4427515AJan 24, 1984
Surface acoustic wave device and method for manufacturing the same
HITACHI LTD18 citations73
US5905324AMay 18, 1999
Surface acoustic wave device and communication device employing the surface acoustic wave device
HITACHI LTD11 citations72
US4510410AApr 9, 1985
Elastic surface wave absorbers comprising ultraviolet light curable resin
HITACHI LTD12 citations72
US4689586AAug 25, 1987
Surface elastic wave device
HITACHI LTD6 citations63
US6747410B1Jun 8, 2004
Display panel and discharge type display apparatus having mixture of three gases
HITACHI LTD5 citations62
US6697418B1Feb 24, 2004
Spread spectrum communication device and communication system
HITACHI LTD2 citations62
US4630112ADec 16, 1986
Descrambling apparatus for a television signal
HITACHI LTD2 citations62
US4390807AJun 28, 1983
Surface acoustic wave device
HITACHI LTD5 citations62
US4728912AMar 1, 1988
Elastic surface wave device
HITACHI LTD4 citations54
US7274729B2Sep 25, 2007
Spread spectrum communication device and communication system
HITACHI LTD0 citations52