Inventor · disambiguated record
Hirotsugu Kojima
Also filed as: KOJIMA HIROTSUGU
18 granted patents·1,641 citations·filing 1989–2011
96Inventor score
Top patents by PatentIndex Score
18 records- 0199US5027400AMultimedia bidirectional broadcast systemHITACHI LTD·Filed 1989·Granted Jun 25, 1991·1.2k cites·47 claims
- 0297US8245868B2Case locking mechanismIKEDA KENJI·Filed 2009·Granted Aug 21, 2012·49 cites·4 claims
- 0385US5222035ADigital filter circuitHITACHI LTD·Filed 1991·Granted Jun 22, 1993·45 cites·21 claims
- 0483US5400189AMagnetic recording and reproducing apparatus, reproduction signal processing apparatus, and reproduction signal processing methodHITACHI LTD·Filed 1993·Granted Mar 21, 1995·33 cites·20 claims
- 0581US5880981AMethod and apparatus for reducing the power consumption in a programmable digital signal processorHITACHI AMERICA LTD·Filed 1996·Granted Mar 9, 1999·101 cites·12 claims
- 0680US8646436B2Fuel pump attachment structureWAKABAYASHI KEISUKE·Filed 2011·Granted Feb 11, 2014·5 cites·13 claims
- 0780US8297900B2Composite member fixing structureSUMIYA YOSHIAKI·Filed 2009·Granted Oct 30, 2012·9 cites·5 claims
- 0879US7212786B2Wireless communication system and microcomputerRENESAS TECH CORP·Filed 2003·Granted May 1, 2007·26 cites·14 claims
- 0979US7185244B2Semiconductor integrated circuit and electronic systemRENESAS TECH CORP·Filed 2004·Granted Feb 27, 2007·26 cites·19 claims
- 1075US7934480B2Sealing member and sealing structureTOYOTA BOSHOKU KK·Filed 2008·Granted May 3, 2011·6 cites·14 claims
- 1168US5687382AHigh speed, reduced power memory system implemented according to access frequencyHITACHI AMERICA LTD·Filed 1995·Granted Nov 11, 1997·58 cites·9 claims
- 1262US5519398ASignal processing apparatus having A/D conversion functionHITACHI LTD·Filed 1993·Granted May 21, 1996·21 cites·19 claims
- 1359US8082906B2Air duct for engineHIRATA RYU·Filed 2008·Granted Dec 27, 2011·4 cites·20 claims
- 1459US5851250AFilter element for air cleanerTOYODA BOSHOKU CORP & DENSO CO·Filed 1997·Granted Dec 22, 1998·32 cites·13 claims
- 1558US4945506AHigh speed digital signal processor capable of achieving realtime operationHITACHI LTD·Filed 1989·Granted Jul 31, 1990·26 cites·4 claims
- 1651US8161928B2Cylinder head coverKOJIMA HIROTSUGU·Filed 2009·Granted Apr 24, 2012·2 cites·9 claims
- 1743US5235538ASemiconductor operation device with memory for storing operation codes connected from coefficients prior to performing an operation on an input signalHITACHI LTD·Filed 1991·Granted Aug 10, 1993·20 cites·10 claims
- 1842US5966407ABus driving system and integrated circuit device using the sameHITACHI LTD·Filed 1994·Granted Oct 12, 1999·12 cites·45 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →