Assignee
AMANO CORP
JP39 patents
Top patents by PatentIndex Score
US5911260AJun 15, 1999
Squeegee assembly for floor surface cleaning machine
AMANO CORP148 citations99
US6047437AApr 11, 2000
Squeegee assembly for scrubber
AMANO CORP44 citations93
US5918346AJul 6, 1999
Squeegee assembly for floor surface cleaning machine
AMANO CORP21 citations93
US7266698B2Sep 4, 2007
Time stamping system for electronic documents and program medium for the same
AMANO CORP22 citations92
US5362951ANov 8, 1994
Magnetic card reader equipped with head reversing function
AMANO CORP27 citations92
US6200434B1Mar 13, 2001
Apparatus for producing electrolytic water
AMANO CORP81 citations91
US4910824AMar 27, 1990
Floor polisher
AMANO CORP72 citations91
US5615437AApr 1, 1997
Floor-surface polisher equipped with function for adjusting pad pressure
AMANO CORP36 citations90
US5511271AApr 30, 1996
Vibration type floor sweeper
AMANO CORP30 citations90
US4516138AMay 7, 1985
Time-clock recording and computation apparatus with optional rest processing function
AMANO CORP32 citations89
USD745129SDec 8, 2015
Industrial air cleaner
AMANO CORP23 citations87
USD842445SMar 5, 2019
Filter for an industrial dust collector
AMANO CORP9 citations84
US6817537B2Nov 16, 2004
Time card and time recorder system using time card
AMANO CORP17 citations81
USD725760SMar 31, 2015
Filter for an industrial air cleaner
AMANO CORP9 citations78
US5363600ANov 15, 1994
Dust scattering prevention device in floor polisher
AMANO CORP19 citations77
US4381511AApr 26, 1983
Printing device for a time recorder
AMANO CORP8 citations74
US4423314ADec 27, 1983
Time recorder
AMANO CORP10 citations73
US4423315ADec 27, 1983
Time recorder
AMANO CORP13 citations73
US3942182AMar 2, 1976
Recording device
AMANO CORP11 citations71
US4394666AJul 19, 1983
Time recorder
AMANO CORP8 citations70
US4357615ANov 2, 1982
Cleaning card for time recorder
AMANO CORP28 citations70
USD961409SAug 23, 2022
Time clock
AMANO CORP2 citations68
USD827954SSep 4, 2018
Floor cleaning machine
AMANO CORP5 citations68
US4942639AJul 24, 1990
Bulky dust sweeper
AMANO CORP9 citations67
US4939811AJul 10, 1990
Floor polisher with a dust collecting device
AMANO CORP15 citations67
US4857883AAug 15, 1989
Call device-attached patrol recorder
AMANO CORP11 citations66
US5767868AJun 16, 1998
Method for establishing a user identification code and a job classification code on a time card
AMANO CORP8 citations64
US5357649AOct 25, 1994
Nozzle for carpet washer
AMANO CORP8 citations63
US5183345AFeb 2, 1993
Two-color shifting device for printing ribbon
AMANO CORP2 citations63
US4571490AFeb 18, 1986
Parking station supervisory system
AMANO CORP8 citations63
US6765600B2Jul 20, 2004
Time recorder with a card feed rate adjustment function and time card for use in the same
AMANO CORP4 citations60
US5136937AAug 11, 1992
Printing device
AMANO CORP12 citations59
US4603335AJul 29, 1986
Time recorder for vertical and horizontal use
AMANO CORP13 citations59
US4003307AJan 18, 1977
Printer
AMANO CORP9 citations58
US4420759ADec 13, 1983
Card locking device for time recorder
AMANO CORP5 citations54
US5767869AJun 16, 1998
Program setting apparatus for time recorder
AMANO CORP3 citations53
US12409459B2Sep 9, 2025
Brush device for charging airborne particles or eliminating static electricity of particles by corona discharge, electrostatic precipitator including the brush device and air cleaner including the brush device
AMANO CORP0 citations50
US4985713AJan 15, 1991
Time recorder having belt printing types
AMANO CORP1 citations33
US10471442B2Nov 12, 2019
Charging device and electric dust collector
AMANO CORP0 citations28