Assignee
RION CO
JP94 patents
Top patents by PatentIndex Score
US6041128AMar 21, 2000
Battery receiving chamber and hearing aid
RION CO119 citations97
US5347584ASep 13, 1994
Hearing aid
RION CO198 citations97
USD354568SJan 17, 1995
Hearing aid
RION CO86 citations96
US5187746AFeb 16, 1993
Structure of battery receiving chamber
RION CO135 citations96
US4490585ADec 25, 1984
Hearing aid
RION CO64 citations96
US4456795AJun 26, 1984
Behind-the-ear type hearing aid
RION CO92 citations96
US4334542AJun 15, 1982
Artificial palate device for electropalatograph
RION CO74 citations94
US7343021B2Mar 11, 2008
Optimum solution method, hearing aid fitting apparatus utilizing the optimum solution method, and system optimization adjusting method and apparatus
RION CO34 citations92
USD375556SNov 12, 1996
Hearing aid
RION CO19 citations92
US6813303B2Nov 2, 2004
Laser oscillator and light scattering particle detector using the same
RION CO41 citations91
US6465802B1Oct 15, 2002
Particle measurement apparatus flow cell useful for sample fluids having different refractive indexes
RION CO22 citations91
USD368309SMar 26, 1996
Earplug for a hearing aid
RION CO22 citations91
US5010575AApr 23, 1991
Audio current pick-up device
RION CO57 citations91
US4519399AMay 28, 1985
Method for measuring the degree of nasality
RION CO74 citations91
US6629058B2Sep 30, 2003
Fault diagnosis method and apparatus
RION CO22 citations90
US4489330ADec 18, 1984
Electromagnetic induction coil antenna
RION CO68 citations90
US5387875AFeb 7, 1995
Output circuit capable of driving a vibration device
RION CO42 citations88
US6498992B1Dec 24, 2002
Defect diagnosis method and defect diagnosis apparatus
RION CO30 citations84
US7170601B2Jan 30, 2007
Flow cell, and particle measurement device using the same
RION CO14 citations83
US10416069B2Sep 17, 2019
Particle counter
RION CO12 citations81
US9983113B2May 29, 2018
Particle counter
RION CO15 citations81
USD497001SOct 5, 2004
Hearing aid
RION CO16 citations81
US6768545B2Jul 27, 2004
Particle detector
RION CO13 citations81
US7464790B2Dec 16, 2008
Sound insulation/absorption structure, and structure having these applied thereto
RION CO13 citations79
USD938595SDec 14, 2021
Earphone
RION CO6 citations78
US9250174B2Feb 2, 2016
Particle counting system
RION CO7 citations78
USD719472SDec 16, 2014
Multifunction measuring instrument
RION CO15 citations78
US6709313B2Mar 23, 2004
Apparatus for producing polishing solution and apparatus for feeding the same
RION CO14 citations77
US4287895ASep 8, 1981
Electropalatograph
RION CO20 citations77
US9267845B2Feb 23, 2016
Apparatus for counting viable particles in liquid in real time, dialysis fluid monitoring system and purified water monitoring system using the apparatus, and method of counting viable particles in liquid in real time
RION CO8 citations75
USD720075SDec 23, 2014
Hearing aid
RION CO10 citations74
US4310002AJan 12, 1982
Electropalatograph
RION CO24 citations73
US3986061AOct 12, 1976
Piezoelectric ignition device
RION CO7 citations73
US9301054B2Mar 29, 2016
Electromechanical transducer and electrocoustic transducer
RION CO4 citations71
USD497000SOct 5, 2004
Hearing aid
RION CO8 citations71
US10878563B2Dec 29, 2020
Three-dimensional shape data production method and three-dimensional shape data production system
RION CO2 citations70
US9823190B2Nov 21, 2017
Particle counter for chemical solution
RION CO3 citations70
US4175338ANov 27, 1979
Artificial palate for use in dynamic palatographical speech researches and improvements and method of fabricating the same
RION CO19 citations70
US11474017B2Oct 18, 2022
Microbial particle measuring apparatus and microbial particle measuring method
RION CO4 citations69
US11119027B2Sep 14, 2021
Microbial particle counting system and microbial particle counting method
RION CO5 citations69
US10837890B2Nov 17, 2020
Particle measuring device and particle measuring method
RION CO2 citations68
US9601980B2Mar 21, 2017
Electromechanical transducer and electroacoustic transducer
RION CO3 citations68
US5396801AMar 14, 1995
Vibrometer
RION CO9 citations68
US4361733ANov 30, 1982
Hard-of-hearing aid appliance
RION CO12 citations68
US4739511AApr 19, 1988
Hearing aid
RION CO9 citations67
US10542348B2Jan 21, 2020
Electromechanical transducer
RION CO2 citations66
US4475230AOct 2, 1984
Hearing aid
RION CO19 citations66
US10888253B2Jan 12, 2021
Audiometer
RION CO2 citations65
US6858274B2Feb 22, 2005
Synthetic corundum cell
RION CO11 citations65
US9530429B2Dec 27, 2016
Reverberation suppression apparatus used for auditory device
RION CO3 citations64
Showing the top 50 of 94 patents by PatentIndex Score.