Inventor

HARADA YASOO

JP14 patents

Patents

14 patents

US5590412ADec 31, 1996

Communication apparatus using common amplifier for transmission and reception

SANYO ELECTRIC CO77 citations95

US5477184ADec 19, 1995

Fet switching circuit for switching between a high power transmitting signal and a lower power receiving signal

SANYO ELECTRIC CO63 citations95

US5585676ADec 17, 1996

IC chip for different type IC packages

SANYO ELECTRIC CO29 citations92

US5559457ASep 24, 1996

Double-balanced mixer circuit

SANYO ELECTRIC CO24 citations92

US5404032AApr 4, 1995

Field-effect semiconductor device

SANYO ELECTRIC CO20 citations92

US5932889AAug 3, 1999

Semiconductor device with floating quantum box

SANYO ELECTRIC CO28 citations90

US5650642AJul 22, 1997

Field effect semiconductor device

SANYO ELECTRIC CO18 citations83

US5350709ASep 27, 1994

Method of doping a group III-V compound semiconductor

SANYO ELECTRIC CO17 citations80

US5751027AMay 12, 1998

Field effect semiconductor device with a low-noise drift layer and a high-power drift layer

SANYO ELECTRIC CO9 citations73

US5724459AMar 3, 1998

Optical modulation device and fiber optic communication system

SANYO ELECTRIC CO16 citations73

US5528509AJun 18, 1996

Method of designing a high-frequency circuit

SANYO ELECTRIC CO8 citations73

US5751029AMay 12, 1998

Field-effect semiconductor device having heterojunction

SANYO ELECTRIC CO9 citations71

US5557141ASep 17, 1996

Method of doping, semiconductor device, and method of fabricating semiconductor device

SANYO ELECTRIC CO8 citations71

US5614814AMar 25, 1997

Negative voltage genarating circuit

SANYO ELECTRIC CO3 citations62