Inventor
KOYAMA MITSUAKI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA MITSUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOYAMA MITSUAKI
12 patentsUS8830004B2Sep 9, 2014
Crystal resonator and crystal oscillator
KOYAMA MITSUAKI7 citations82
US8890391B2Nov 18, 2014
External force detection apparatus and external force detection sensor
KOYAMA MITSUAKI5 citations72
US8966980B2Mar 3, 2015
External force detecting device and external force detecting sensor
KOYAMA MITSUAKI2 citations62
US9016128B2Apr 28, 2015
External force detecting method and external force detecting device
KOYAMA MITSUAKI2 citations61
US8919201B2Dec 30, 2014
Acceleration measuring apparatus
KOYAMA MITSUAKI2 citations61
US8802428B2Aug 12, 2014
Method of detecting microorganisms and microorganism detecting apparatus
KOYAMA MITSUAKI2 citations61
US8677828B2Mar 25, 2014
Vibration detecting device
KOYAMA MITSUAKI2 citations61
US8464577B2Jun 18, 2013
Quartz sensor and sensing device
KOYAMA MITSUAKI0 citations51
US8434351B2May 7, 2013
Sensing instrument
KOYAMA MITSUAKI1 citations51
US9103748B2Aug 11, 2015
Method for detecting microorganisms and microorganism detecting apparatus
KOYAMA MITSUAKI0 citations50
US8752909B2Jun 17, 2014
Brake mechanism, transport apparatus and industrial apparatus
KOYAMA MITSUAKI0 citations41
US8242856B2Aug 14, 2012
Piezoelectric oscillator
KOYAMA MITSUAKI0 citations39
NIHON DEMPA KOGYO CO
6 patentsUS6300707B1Oct 9, 2001
Quartz crystal unit
NIHON DEMPA KOGYO CO15 citations79
US6031319AFeb 29, 2000
Quartz crystal element using a thickness shear hexagonal quartz blank and method for manufacturing the same
NIHON DEMPA KOGYO CO7 citations65
US7677087B2Mar 16, 2010
Quartz sensor and sensing device
NIHON DEMPA KOGYO CO2 citations62
US7552639B2Jun 30, 2009
Quartz sensor and sensing device
NIHON DEMPA KOGYO CO3 citations62
USD526583SAug 15, 2006
Crystal resonator for a bio-sensor
NIHON DEMPA KOGYO CO3 citations61
US8674780B2Mar 18, 2014
Oscillator with frequency adjustment
NIHON DEMPA KOGYO CO1 citations52
TOKYO SHIBAURA ELECTRIC CO
4 patentsUS4185910AJan 29, 1980
Photoconductive member cleaning device using a magnetic brush for electrostatic copying machines
TOKYO SHIBAURA ELECTRIC CO21 citations82
US4244322AJan 13, 1981
Magnetic brush type developing apparatus
TOKYO SHIBAURA ELECTRIC CO26 citations81
US4205912AJun 3, 1980
Electrophotographic apparatus
TOKYO SHIBAURA ELECTRIC CO8 citations73
US4192604AMar 11, 1980
Bias voltage source for applying a bias voltage on a magnetic brush means of an electrostatic printing apparatus
TOKYO SHIBAURA ELECTRIC CO6 citations62