Inventor
HIRASAWA KOTARO
21 patents
Patents
21 patentsUS5892190AApr 6, 1999
Method and system of controlling elevators and method and apparatus of inputting requests to the control system
HITACHI LTD49 citations96
US5307903AMay 3, 1994
Method and system of controlling elevators and method and apparatus of inputting requests to the control system
HITACHI LTD54 citations96
US5109509AApr 28, 1992
System for processing natural language including identifying grammatical rule and semantic concept of an undefined word
HITACHI LTD232 citations96
US4680804AJul 14, 1987
Method for designating a recognition mode in a hand-written character/graphic recognizer
HITACHI LTD84 citations96
US4653107AMar 24, 1987
On-line recognition method and apparatus for a handwritten pattern
HITACHI LTD132 citations96
US4282573AAug 4, 1981
Processor interrupt device for an electronic engine control apparatus
HITACHI LTD716 citations96
US4766590AAug 23, 1988
Loop transmission system having plural stations connected in a variable order
HITACHI LTD29 citations92
US4718091AJan 5, 1988
Multifunctional image processor
HITACHI LTD50 citations92
US4641354AFeb 3, 1987
Apparatus for recognizing and displaying handwritten characters and figures
HITACHI LTD49 citations92
US4530050AJul 16, 1985
Central processing unit for executing instructions of variable length having end information for operand specifiers
HITACHI LTD55 citations92
US4448286AMay 15, 1984
Elevator group control system
HITACHI LTD33 citations92
US4081059AMar 28, 1978
Elevator control system
HITACHI LTD23 citations82
US4411338AOct 25, 1983
Apparatus for calculating elevator cage call forecast
HITACHI LTD21 citations81
US4853890AAug 1, 1989
Vector processor
HITACHI LTD13 citations74
US4326606AApr 27, 1982
Apparatus for controlling rescue operation of an elevator
HITACHI LTD18 citations74
US4043429AAug 23, 1977
Elevator car group control system
HITACHI LTD13 citations74
US5274717ADec 28, 1993
Parallel image processor for performing local neighboring image processing
HITACHI LTD9 citations73
US4408279AOct 4, 1983
Method and apparatus for adjusting the supply of fuel to an internal combustion engine for an acceleration condition
HITACHI LTD17 citations73
US4341287AJul 27, 1982
Elevator control apparatus
HITACHI LTD17 citations73
US4274142AJun 16, 1981
Apparatus for detecting revolutions of an internal combustion engine
HITACHI LTD19 citations73
US4109808AAug 29, 1978
Method of storing articles in a warehouse to form an imaginary link of articles
HITACHI LTD3 citations61