Inventor
TSUCHIYA CHIKARA
31 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHIYA CHIKARA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
26 patentsUS7456623B2Nov 25, 2008
DC-DC converter and control circuit for DC-DC converter
FUJITSU LTD60 citations98
US6448836B2Sep 10, 2002
Operational amplifier and its offset cancel circuit
FUJITSU LTD59 citations96
US5262735ANov 16, 1993
Ring oscillator having outputs that are selectively combined to produce different frequencies
FUJITSU LTD67 citations96
US5220559AJun 15, 1993
Neuron architecture
FUJITSU LTD56 citations95
US7242427B2Jul 10, 2007
X-Y address type solid-state image pickup device with an image averaging circuit disposed in the noise cancel circuit
FUJITSU LTD23 citations92
US7224390B2May 29, 2007
CMOS image sensor with voltage control circuit
FUJITSU LTD35 citations92
US6946905B2Sep 20, 2005
Offset cancel circuit of voltage follower equipped with operational amplifier
FUJITSU LTD23 citations92
US5142666AAug 25, 1992
Learning system in a neuron computer
FUJITSU LTD36 citations92
US5131072AJul 14, 1992
Neurocomputer with analog signal bus
FUJITSU LTD51 citations92
US7358946B2Apr 15, 2008
Offset cancel circuit of voltage follower equipped with operational amplifier
FUJITSU LTD9 citations84
US7221131B2May 22, 2007
Control circuit for DC-DC converter in semiconductor integrated circuit device
FUJITSU LTD18 citations84
US6914631B2Jul 5, 2005
Image sensor
FUJITSU LTD14 citations84
US6747700B1Jun 8, 2004
Solid state image pickup apparatus having a plurality of split buses
FUJITSU LTD17 citations84
US7019501B2Mar 28, 2006
DC/DC converter
FUJITSU LTD17 citations83
US7342436B2Mar 11, 2008
Bipolar supply voltage generator and semiconductor device for same
FUJITSU LTD15 citations82
US4433306AFeb 21, 1984
Audio-frequency power amplifier
FUJITSU LTD23 citations80
US5461335AOct 24, 1995
Delay circuit manufacturable by semiconductor elements
FUJITSU LTD11 citations74
US5126683AJun 30, 1992
Detection circuit for amplitude modulated signals
FUJITSU LTD8 citations74
US4525637AJun 25, 1985
Integrated circuit having an input voltage-clamping function and an input current-detecting function
FUJITSU LTD10 citations74
US4362985ADec 7, 1982
Integrated circuit for generating a reference voltage
FUJITSU LTD10 citations74
US7196726B2Mar 27, 2007
CMOS sensor circuit having a voltage control circuit controlling a gate potential of a photodiode reset transistor to a potential other than power source potentials
FUJITSU LTD9 citations73
US5216746AJun 1, 1993
Error absorbing system in a neuron computer
FUJITSU LTD10 citations73
US6888488B2May 3, 2005
A/D converter with reduced power consumption
FUJITSU LTD9 citations72
US5452148ASep 19, 1995
Preamplifing circuit for a magnetoresistance device
FUJITSU LTD9 citations72
US5721505AFeb 24, 1998
Delay circuit manufacturable by semiconductor elements
FUJITSU LTD4 citations63
US4551644ANov 5, 1985
Field effect transistor gate circuit for analog signals
FUJITSU LTD0 citations52