Inventor
TAKAYAMA AKIRA
JP30 patents
⚠️ This page may combine multiple inventors who share the name “TAKAYAMA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPS ELECTRIC CO LTD
12 patentsUS5483209AJan 9, 1996
Reception band switching circuit with variable attenuation control
ALPS ELECTRIC CO LTD57 citations96
US6016170AJan 18, 2000
Double conversion television tuner
ALPS ELECTRIC CO LTD78 citations95
US6559899B1May 6, 2003
Digital blocks television tuner having simple baseband signal processing portion
ALPS ELECTRIC CO LTD13 citations84
US4484162ANov 20, 1984
Microwave oscillator
ALPS ELECTRIC CO LTD14 citations74
US6624692B2Sep 23, 2003
Radio frequency amplifier with a waveguide filter for isolating amplifying elements
ALPS ELECTRIC CO LTD7 citations72
US4673895AJun 16, 1987
Oscillator having improved coupling between stripline and dielectric resonator
ALPS ELECTRIC CO LTD7 citations71
US6272312B1Aug 7, 2001
Satellite broadcasting receiving tuner which inhibits interference caused by satellite broadcast signals having one octave higher frequency band
ALPS ELECTRIC CO LTD10 citations69
US4724403AFeb 9, 1988
Microwave oscillator
ALPS ELECTRIC CO LTD6 citations63
US4677693AJun 30, 1987
Frequency conversion circuit
ALPS ELECTRIC CO LTD3 citations63
US4271534AJun 2, 1981
Microwave receiver
ALPS ELECTRIC CO LTD5 citations63
US8044720B2Oct 25, 2011
Amplification circuit
ALPS ELECTRIC CO LTD2 citations59
US6094235AJul 25, 2000
Digital television broadcast receiver that demodulates an intermediate frequency signal having a frequency higher than a frequency of a received signal
ALPS ELECTRIC CO LTD0 citations51
YAMAHA CORP
5 patentsUS5315640AMay 24, 1994
Data transfer device
YAMAHA CORP9 citations74
US5276845AJan 4, 1994
Apparatus with multiple buses for permitting concurrent access to a first memory by a processor while a DMA transfer is occurring between a second memory and a communications buffer
YAMAHA CORP14 citations74
US5282208AJan 25, 1994
Data transfer system and method
YAMAHA CORP12 citations72
US5166979ANov 24, 1992
Data transmitting equipment
YAMAHA CORP9 citations71
US5737317AApr 7, 1998
Communication system testing method
YAMAHA CORP5 citations63
SUZUKI SOGYO KK
3 patentsUS5853854ADec 29, 1998
Rugged shaped sheet and process for manufacturing same
SUZUKI SOGYO KK22 citations92
US5389176AFeb 14, 1995
Rugged shaped sheet and process for manufacturing same
SUZUKI SOGYO KK24 citations92
US5709763AJan 20, 1998
Rugged shaped sheet and process for manufacturing same
SUZUKI SOGYO KK6 citations73