Inventor · disambiguated record
Hiromichi Komai
Also filed as: KOMAI HIROMICHI
45 granted patents·3 pending applications·856 citations·filing 1976–2022
98Inventor score
Files withRICOH KK24HITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD10HITACHI AUTOMOTIVE SYSTEMS LTD5HITACHI ASTEMO LTD2RICOH CO LTD2
Top patents by PatentIndex Score
48 records- 0198US4301459AInk ejection apparatus comprising entrained air removal meansRICOH KK·Filed 1979·Granted Nov 17, 1981·98 cites·11 claims
- 0298US4045802AInk ejection printing apparatus comprising automatically actuated ejection orifice capRICOH KK·Filed 1976·Granted Aug 30, 1977·129 cites·15 claims
- 0396US10240641B2Power transmission shaft and propeller shaft for vehicleHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2015·Granted Mar 26, 2019·12 cites·30 claims
- 0495US8864591B2Propeller shaft and constant velocity universal joint used thereinHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2013·Granted Oct 21, 2014·24 cites·8 claims
- 0595US7655374B2Fixing liquid, toner fixing method and apparatus, and image forming method and apparatusRICOH KK·Filed 2006·Granted Feb 2, 2010·18 cites·14 claims
- 0691US10767705B2Propeller shaftHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2016·Granted Sep 8, 2020·7 cites·20 claims
- 0791US6332669B1Ink jet head including vibration plate and electrode substrateRICOH KK·Filed 1998·Granted Dec 25, 2001·78 cites·34 claims
- 0889US7713673B2Fixing liquid, toner fixing method, toner fixing device, image forming method, and image forming apparatusRICOH KK·Filed 2006·Granted May 11, 2010·10 cites·19 claims
- 0988US10508692B2Propeller shaft and propeller shaft production methodHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Dec 17, 2019·4 cites·7 claims
- 1086US5146236AInk jet record apparatusRICOH KK·Filed 1990·Granted Sep 8, 1992·65 cites·11 claims
- 1185US4178597AColor ink jet printing apparatusRICOH KK·Filed 1978·Granted Dec 11, 1979·25 cites·6 claims
- 1283US9334904B2Propeller shaft and yoke structure of universal joint used for the propeller shaftHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2014·Granted May 10, 2016·3 cites·14 claims
- 1382US5400065AMethod and apparatus for forming image on a member with image forming liquid by selective application of heat and/or pressureRICOH KK·Filed 1993·Granted Mar 21, 1995·27 cites·21 claims
- 1482US4520367AInk jet head assemblyRICOH KK·Filed 1984·Granted May 28, 1985·27 cites·7 claims
- 1581US5359350AMethod of driving ink jet printing headRICOH KK·Filed 1992·Granted Oct 25, 1994·48 cites·6 claims
- 1679US11493093B2Power transmission shaftHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Nov 8, 2022·2 cites·13 claims
- 1779US8628250B2Support device for supporting propeller shaft and propeller shaft itselfOINUMA MASANORI·Filed 2008·Granted Jan 14, 2014·10 cites·9 claims
- 1878US4291316ASystem for driving ink drop generator of ink-jet printerRICOH KK·Filed 1979·Granted Sep 22, 1981·26 cites·3 claims
- 1977US11828334B2Power transmission shaft and propeller shaft for vehicleHITACHI ASTEMO LTD·Filed 2022·Granted Nov 28, 2023·0 cites·1 claims
- 2077US9605716B2Propeller shaft and yoke structure of universal joint used for the propeller shaftHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2016·Granted Mar 28, 2017·1 cites·17 claims
- 2176US5266965AMethod of driving ink jet type printing headRICOH KK·Filed 1992·Granted Nov 30, 1993·36 cites·16 claims
- 2276US4300144AMultiple-nozzle ink-jet recording apparatusRICOH KK·Filed 1979·Granted Nov 10, 1981·19 cites·3 claims
- 2375US8019267B2Fixer, fixing device, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Sep 13, 2011·4 cites·20 claims
- 2475US4464668AInk supply system of ink jet recording apparatusRICOH KK·Filed 1982·Granted Aug 7, 1984·23 cites·4 claims
- 2574US11976704B2Power transmission shaft and method for manufacturing sameHITACHI ASTEMO LTD·Filed 2022·Granted May 7, 2024·0 cites·3 claims
- 2670US5613691ASealing device for universal joint with integral sealing lips and cover portionUNISIA JECS CORP·Filed 1996·Granted Mar 25, 1997·29 cites·11 claims
- 2768US10690192B2Propeller shaft and yoke structure of universal joint used for the propeller shaftHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2019·Granted Jun 23, 2020·0 cites·2 claims
- 2867US7794835B2Fixing solution, capsule structure, fixing method, fixing device and image forming apparatusRICOH KK·Filed 2008·Granted Sep 14, 2010·3 cites·6 claims
- 2967US5270740AInk jet headRICOH KK·Filed 1992·Granted Dec 14, 1993·23 cites·8 claims
- 3065US11339831B2Power transmission shaft and propeller shaft for vehicleHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2019·Granted May 24, 2022·0 cites·3 claims
- 3165US7713622B2Fixing solution, capsule structure, fixing method, fixing device and image forming apparatusRICOH KK·Filed 2005·Granted May 11, 2010·2 cites·1 claims
- 3265US5759278ALiquid applying apparatus and an image forming substance removing apparatusRICOH KK·Filed 1996·Granted Jun 2, 1998·14 cites·6 claims
- 3365US5652989AApparatus for removing an image forming substance from an image deposited recording mediumRICOH KK·Filed 1996·Granted Aug 5, 1997·17 cites·14 claims
- 3463US4677845ADevice for detecting viscosity of liquidRICOH KK·Filed 1985·Granted Jul 7, 1987·22 cites·5 claims
- 3562US10378591B2Propeller shaft and yoke structure of universal joint used for the propeller shaftHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2017·Granted Aug 13, 2019·0 cites·5 claims
- 3661US11512761B2Power transmission shaft and method for manufacturing sameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Nov 29, 2022·0 cites·14 claims
- 3761US9850959B2Propeller shaft and yoke structure of universal joint used for the propeller shaftHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2017·Granted Dec 26, 2017·0 cites·6 claims
- 3859US6117240ALiquid applying apparatus and an image forming substance removing apparatusRICOH KK·Filed 1999·Granted Sep 12, 2000·10 cites·5 claims
- 3957US5260723ALiquid jet recording headRICOH KK·Filed 1990·Granted Nov 9, 1993·14 cites·21 claims
- 4056US5369421AMethod of printing colored image and apparatus suitable thereforRICOH KK·Filed 1993·Granted Nov 29, 1994·17 cites·9 claims
- 4153US5968272ALiquid applying apparatus and an image forming substance removing apparatusRICOH KK·Filed 1998·Granted Oct 19, 1999·8 cites·15 claims
- 4247US8142294B2Power transmission shaft and propeller shaft for vehicleAKITA YASUSHI·Filed 2009·Granted Mar 27, 2012·1 cites·8 claims
- 4345US7989133B2Fixing liquid, fixing device using the fixing liquid, and image forming apparatus comprising the fixing deviceRICOH CO LTD·Filed 2007·Granted Aug 2, 2011·0 cites·11 claims
- 4444US2016017929A1Propeller Shaft and Adapter Member for Propeller ShaftHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2014·Application pending·0 cites
- 4542US8777759B2Universal joint and propeller shaftYOSHIDA KEIGO·Filed 2012·Granted Jul 15, 2014·0 cites·15 claims
- 4642US2005197192A1Drive-transmission deviceHITACHI LTD·Filed 2005·Application pending·0 cites
- 4738US10352368B2Propeller shaft and constant-velocity joint used in said propeller shaftHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Jul 16, 2019·0 cites·15 claims
- 4835US2018231062A1Power transmission deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →