Inventor · disambiguated record
Kotaro Hirasawa
Also filed as: HIRASAWA KOTARO
21 granted patents·1,636 citations·filing 1975–1993
97Inventor score
Files withHITACHI LTD21
Top patents by PatentIndex Score
21 records- 0195US4282573AProcessor interrupt device for an electronic engine control apparatusHITACHI LTD·Filed 1978·Granted Aug 4, 1981·716 cites·31 claims
- 0293US5892190AMethod and system of controlling elevators and method and apparatus of inputting requests to the control systemHITACHI LTD·Filed 1993·Granted Apr 6, 1999·49 cites·51 claims
- 0393US5307903AMethod and system of controlling elevators and method and apparatus of inputting requests to the control systemHITACHI LTD·Filed 1989·Granted May 3, 1994·54 cites·70 claims
- 0493US5109509ASystem for processing natural language including identifying grammatical rule and semantic concept of an undefined wordHITACHI LTD·Filed 1988·Granted Apr 28, 1992·232 cites·4 claims
- 0593US4653107AOn-line recognition method and apparatus for a handwritten patternHITACHI LTD·Filed 1984·Granted Mar 24, 1987·132 cites·27 claims
- 0687US4448286AElevator group control systemHITACHI LTD·Filed 1982·Granted May 15, 1984·33 cites·11 claims
- 0785US4680804AMethod for designating a recognition mode in a hand-written character/graphic recognizerHITACHI LTD·Filed 1985·Granted Jul 14, 1987·84 cites·8 claims
- 0882US4408279AMethod and apparatus for adjusting the supply of fuel to an internal combustion engine for an acceleration conditionHITACHI LTD·Filed 1979·Granted Oct 4, 1983·17 cites·18 claims
- 0979US4530050ACentral processing unit for executing instructions of variable length having end information for operand specifiersHITACHI LTD·Filed 1982·Granted Jul 16, 1985·55 cites·4 claims
- 1074US4274142AApparatus for detecting revolutions of an internal combustion engineHITACHI LTD·Filed 1979·Granted Jun 16, 1981·19 cites·37 claims
- 1174US4081059AElevator control systemHITACHI LTD·Filed 1976·Granted Mar 28, 1978·23 cites·26 claims
- 1272US4718091AMultifunctional image processorHITACHI LTD·Filed 1985·Granted Jan 5, 1988·50 cites·6 claims
- 1371US4411338AApparatus for calculating elevator cage call forecastHITACHI LTD·Filed 1981·Granted Oct 25, 1983·21 cites·9 claims
- 1470US4641354AApparatus for recognizing and displaying handwritten characters and figuresHITACHI LTD·Filed 1985·Granted Feb 3, 1987·49 cites·12 claims
- 1568US4326606AApparatus for controlling rescue operation of an elevatorHITACHI LTD·Filed 1979·Granted Apr 27, 1982·18 cites·11 claims
- 1664US4766590ALoop transmission system having plural stations connected in a variable orderHITACHI LTD·Filed 1985·Granted Aug 23, 1988·29 cites·8 claims
- 1764US4341287AElevator control apparatusHITACHI LTD·Filed 1980·Granted Jul 27, 1982·17 cites·17 claims
- 1858US4043429AElevator car group control systemHITACHI LTD·Filed 1975·Granted Aug 23, 1977·13 cites·7 claims
- 1945US4853890AVector processorHITACHI LTD·Filed 1983·Granted Aug 1, 1989·13 cites·10 claims
- 2038US5274717AParallel image processor for performing local neighboring image processingHITACHI LTD·Filed 1992·Granted Dec 28, 1993·9 cites·10 claims
- 2135US4109808AMethod of storing articles in a warehouse to form an imaginary link of articlesHITACHI LTD·Filed 1976·Granted Aug 29, 1978·3 cites·8 claims
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