Inventor
ISHIKAWA YASUYUKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA YASUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
9 patentsUS4372655AFeb 8, 1983
Automatic eye-refractometer
CANON KK56 citations96
US4293198AOct 6, 1981
Eye refractometer
CANON KK62 citations96
US4812033AMar 14, 1989
Ophthalmic apparatus
CANON KK39 citations92
US4755041AJul 5, 1988
Eye refractive power measuring apparatus
CANON KK28 citations92
US4678297AJul 7, 1987
Ophthalmic instrument
CANON KK36 citations92
US4533222AAug 6, 1985
Eye examining instrument
CANON KK33 citations92
US4421391ADec 20, 1983
Auto eye-refractometer
CANON KK49 citations92
US4376573AMar 15, 1983
Apparatus for measuring the refractive power of the eye
CANON KK49 citations92
US3942745AMar 9, 1976
Tape reel drive apparatus with driving torque control mechanism
CANON KK1 citations52
DENSO CORP
9 patentsUS6657318B2Dec 2, 2003
Semiconductor integrated circuit device and method for mounting circuit blocks in semiconductor integrated circuit device
DENSO CORP23 citations92
US7467294B2Dec 16, 2008
Microcomputer with mode decoder operable upon receipt of either power-on or external reset signal
DENSO CORP13 citations84
US7313048B2Dec 25, 2007
Reset detection circuit in semiconductor integrated circuit
DENSO CORP10 citations84
US6677781B2Jan 13, 2004
Semiconductor integrated circuit device
DENSO CORP9 citations73
US7221206B2May 22, 2007
Integrated circuit device having clock signal output circuit
DENSO CORP4 citations62
US7203921B2Apr 10, 2007
Method and system for designing an integrated circuit with reduced noise
DENSO CORP4 citations62
US7560996B2Jul 14, 2009
Frequency-multiplied clock signal output circuit
DENSO CORP0 citations52
US7248092B2Jul 24, 2007
Clamp circuit device
DENSO CORP1 citations50
US7906946B2Mar 15, 2011
Semiconductor integrated circuit device for providing series regulator
DENSO CORP0 citations40