Inventor
MASAKI KAZUMI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “MASAKI KAZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAYASHIBARA KEN
35 patentsUS5954630ASep 21, 1999
FM theta-inducing audible sound, and method, device and recorded medium to generate the same
HAYASHIBARA KEN53 citations96
US5691873ANov 25, 1997
Apparatus to generate magnetism
HAYASHIBARA KEN54 citations96
US4689039AAug 25, 1987
Electrotherapeutic apparatus for iontophoresis
HAYASHIBARA KEN66 citations96
US4572992AFeb 25, 1986
Device for regulating ac current circuit
HAYASHIBARA KEN61 citations96
US5343122AAug 30, 1994
Luminaire using incandescent lamp as luminous source
HAYASHIBARA KEN50 citations92
US5133351AJul 28, 1992
Low-frequency electrotherapeutic device
HAYASHIBARA KEN46 citations92
US4960124AOct 2, 1990
Device for low-frequency electrotherapy
HAYASHIBARA KEN43 citations92
US4834701AMay 30, 1989
Apparatus for inducing frequency reduction in brain wave
HAYASHIBARA KEN48 citations92
US4812804AMar 14, 1989
Controller for electric devices directed to use in bath
HAYASHIBARA KEN35 citations92
US4786278ANov 22, 1988
Therapeutic device for iontophoresing cation and anion
HAYASHIBARA KEN41 citations92
US4710655ADec 1, 1987
Resonant vibration-transmitting apparatus
HAYASHIBARA KEN52 citations92
US4697581AOct 6, 1987
Electromagnetic vibration generator
HAYASHIBARA KEN46 citations92
US4630996ADec 23, 1986
Windmill
HAYASHIBARA KEN47 citations92
US4555741ANov 26, 1985
Device for eliminating inrush-current
HAYASHIBARA KEN36 citations92
US4792702ADec 20, 1988
Switch for iontophoresing cation and anion
HAYASHIBARA KEN21 citations82
US4716511ADec 29, 1987
Surge current-limiting circuit
HAYASHIBARA KEN20 citations82
US4945291AJul 31, 1990
Lamp-lighting device
HAYASHIBARA KEN7 citations74
US4855649AAug 8, 1989
Single-wired switching circuit directed to limit surge into lamp
HAYASHIBARA KEN7 citations74
US4800329AJan 24, 1989
Device for limiting inrush current
HAYASHIBARA KEN16 citations74
US4757419AJul 12, 1988
Apparatus for generating pulse line of magnetic force
HAYASHIBARA KEN13 citations74
US4736138AApr 5, 1988
Apparatus for limiting surge currents in dc-illuminated incandescent lamp
HAYASHIBARA KEN17 citations74
US4654579AMar 31, 1987
Frequency divider
HAYASHIBARA KEN7 citations74
US4644229AFeb 17, 1987
Power supply for lighting incandescent lamp wth high-brightness
HAYASHIBARA KEN10 citations74
US5484386AJan 16, 1996
Hammer-like tool for relieving stiffness in the neck and shoulder
HAYASHIBARA KEN5 citations63
US5144274ASep 1, 1992
Sealed variable resistor
HAYASHIBARA KEN5 citations63
US4960125AOct 2, 1990
Device for low-frequency electrotherapy in a humid environment
HAYASHIBARA KEN4 citations63
US4841972AJun 27, 1989
Low-frequency treatment device directed to use in bath
HAYASHIBARA KEN2 citations63
US4792777ADec 20, 1988
Variable water resistor for controlling the application of a therapeutic voltage to the human body
HAYASHIBARA KEN2 citations63
US4701675AOct 20, 1987
Apparatus for limiting arc discharge current in incandescent lamp
HAYASHIBARA KEN4 citations63
US4574230AMar 4, 1986
Phase-regulated switching circuit
HAYASHIBARA KEN6 citations63
US4988923AJan 29, 1991
Lighting equipment for providing bright illumination with limited surge
HAYASHIBARA KEN1 citations52
US4868536ASep 19, 1989
Output controller for electrotherapeutic device directed to use in a bath
HAYASHIBARA KEN1 citations52
US4710698ADec 1, 1987
Phase-controlled automatic switching circuit
HAYASHIBARA KEN1 citations52
US4694292ASep 15, 1987
Digitized decoder-receiver for receiving call signal
HAYASHIBARA KEN1 citations52
US4947087AAug 7, 1990
Lamp-lighting device
HAYASHIBARA KEN0 citations42