Inventor · disambiguated record
Masahiko Katoh
Also filed as: KATOH MASAHIKO
36 granted patents·1 pending application·816 citations·filing 1991–2009
98Inventor score
Top patents by PatentIndex Score
37 records- 0194US6215974B1Image forming apparatus with a toner mounter having a vibration apparatusRICOH KK·Filed 1999·Granted Apr 10, 2001·69 cites·34 claims
- 0290US5665025AEngine control linkageSANSHIN KOGYO KABUSHUKI KAISHA·Filed 1995·Granted Sep 9, 1997·44 cites·8 claims
- 0389US5261356AOutboard motorSANSHIN KOGYO KK·Filed 1992·Granted Nov 16, 1993·56 cites·8 claims
- 0488US5584281AEngine control systemSANSHIN KOGYO KK·Filed 1995·Granted Dec 17, 1996·47 cites·17 claims
- 0586US7123872B2Cleaning device and method, image forming apparatus, and process cartridgeRICOH KK·Filed 2003·Granted Oct 17, 2006·24 cites·75 claims
- 0686US6185075B1Actuator arm assembly for a magnetic storage deviceIBM·Filed 1998·Granted Feb 6, 2001·48 cites·2 claims
- 0786US6055133ADisk drive head support arm and arm assembly utilizing plural datum featuresIBM·Filed 1998·Granted Apr 25, 2000·47 cites·10 claims
- 0885US6822775B2Method and apparatus for polygon mirror scanning capable of performing a stable high speed polygon mirror rotationRICOH KK·Filed 2002·Granted Nov 23, 2004·32 cites·36 claims
- 0983US7652837B2Data erasure apparatus and data erasure methodHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jan 26, 2010·5 cites·15 claims
- 1082US6212046B1Arm assembly for a disk drive device and a method for fabricating the sameIBM·Filed 1998·Granted Apr 3, 2001·37 cites·29 claims
- 1180US7415236B2Cleaning unit, process cartridge, and image-forming apparatusRICOH KK·Filed 2004·Granted Aug 19, 2008·18 cites·16 claims
- 1280US5555858AEngine management systemSANSHIN KOGYO KK·Filed 1995·Granted Sep 17, 1996·33 cites·78 claims
- 1376US5653103AFuel supply for injected engineSANSHIN KOGYO KK·Filed 1995·Granted Aug 5, 1997·32 cites·20 claims
- 1474US7811597B2Garbage bag or containerJAD CORP OF AMERICA·Filed 2005·Granted Oct 12, 2010·2 cites·10 claims
- 1572US5249557AFuel injection system for two cycle engineSANSHIN KOGYO KK·Filed 1992·Granted Oct 5, 1993·26 cites·100 claims
- 1671US5630395AFeedback control system for marine propulsion engineSANSHIN KOGYO KK·Filed 1995·Granted May 20, 1997·27 cites·28 claims
- 1766US8699187B2Manufacturing method for a head-stack assembly, apparatus for interconnection of the head-stack assembly, and head-stack assemblyNAKAMURA TETSUYA·Filed 2009·Granted Apr 15, 2014·1 cites·6 claims
- 1863US7646579B2Data erasure apparatus and data erasure methodHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 12, 2010·1 cites·15 claims
- 1960US6933959B2Optical scanning device and image forming apparatusRICOH KK·Filed 2001·Granted Aug 23, 2005·6 cites·12 claims
- 2060US5622158AFeedback control system for marine propulsion engineSANSHIN KOGYO KK·Filed 1995·Granted Apr 22, 1997·17 cites·29 claims
- 2160US5613480AFuel control system for multiple cylinder engineSANSHIN KOGYO KK·Filed 1995·Granted Mar 25, 1997·17 cites·12 claims
- 2260US5271358AFuel injection system for engineSANSHIN KOGYO KK·Filed 1992·Granted Dec 21, 1993·25 cites·45 claims
- 2359US5571582AGarbage bag or containerMITSUBISHI CHEM CORP·Filed 1995·Granted Nov 5, 1996·24 cites·8 claims
- 2459US5270407AProcess for preparing an ethylene-based copolymerEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Dec 14, 1993·14 cites·16 claims
- 2558US5682867AFeedback control system for marine propulsion engineSANSHIN KOGYO KK·Filed 1996·Granted Nov 4, 1997·15 cites·44 claims
- 2658US5579745AEngine control systemSANSHIN KOGYO KK·Filed 1995·Granted Dec 3, 1996·16 cites·24 claims
- 2757US6135100ASensor arrangement for engine control systemSANSHIN KOGYO KK·Filed 1995·Granted Oct 24, 2000·15 cites·43 claims
- 2857US5505166AInduction system for engineSANSHIN KOGYO KK·Filed 1994·Granted Apr 9, 1996·15 cites·21 claims
- 2956US5836155ASensor arrangement for engine control systemSANSHIN KOGYO KK·Filed 1995·Granted Nov 17, 1998·15 cites·94 claims
- 3056US5522370AMulti-cylinder engine control systemSANSHIN KOGYO KK·Filed 1995·Granted Jun 4, 1996·15 cites·24 claims
- 3155US5577477AFuel supply for injected engineSANSHIN KOGYO KK·Filed 1995·Granted Nov 26, 1996·15 cites·18 claims
- 3254US5237966AFuel injection system for the two cycle engineSANSHIN KOGYO KK·Filed 1992·Granted Aug 24, 1993·14 cites·26 claims
- 3353US5450830AFuel injection system for engineSANSHIN KOGYO KABUSHUSHIKI KAI·Filed 1993·Granted Sep 19, 1995·15 cites·17 claims
- 3447US5243945AFuel injection system for the internal combustion engineSANSHIN KOGYO KK·Filed 1992·Granted Sep 14, 1993·10 cites·13 claims
- 3544US5697353AFeedback engine control systemSANSHIN KOGYO KK·Filed 1995·Granted Dec 16, 1997·10 cites·44 claims
- 3643US5307792ATwo cycle engine provided with a scavenging pumpSANSHIN KOGYO KK·Filed 1992·Granted May 3, 1994·9 cites·34 claims
- 3739US2007147909A1Rotation driving apparatus, transfer unit, and image forming apparatusKATOH MASAHIKO·Filed 2006·Application pending·0 cites
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