Inventor · disambiguated record
Keiji Maruyama
Also filed as: MARUYAMA KEIJI
52 granted patents·2 pending applications·401 citations·filing 1989–2020
98Inventor score
Top patents by PatentIndex Score
54 records- 0195US10767593B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2019·Granted Sep 8, 2020·8 cites·8 claims
- 0295US10711708B2Control device for engineMAZDA MOTOR·Filed 2018·Granted Jul 14, 2020·9 cites·20 claims
- 0395US5544120ASemiconductor integrated circuit including ring oscillator of low current consumptionTOSHIBA KK·Filed 1994·Granted Aug 6, 1996·133 cites·17 claims
- 0493US10801420B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2018·Granted Oct 13, 2020·6 cites·9 claims
- 0592US10641192B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2018·Granted May 5, 2020·5 cites·9 claims
- 0691US10704480B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2018·Granted Jul 7, 2020·4 cites·8 claims
- 0791US10480395B2Fuel injection device of engineMAZDA MOTOR·Filed 2018·Granted Nov 19, 2019·6 cites·19 claims
- 0890US10914259B2Control device for pre-mixture compression ignition engineMAZDA MOTOR·Filed 2020·Granted Feb 9, 2021·4 cites·11 claims
- 0990US10895214B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2018·Granted Jan 19, 2021·4 cites·14 claims
- 1090US10731590B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2019·Granted Aug 4, 2020·6 cites·6 claims
- 1190US10641197B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2018·Granted May 5, 2020·4 cites·10 claims
- 1290US10605193B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2018·Granted Mar 31, 2020·4 cites·8 claims
- 1389US10641193B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2018·Granted May 5, 2020·4 cites·10 claims
- 1488US10895208B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2018·Granted Jan 19, 2021·5 cites·7 claims
- 1587US10927749B2Engine control deviceMAZDA MOTOR·Filed 2019·Granted Feb 23, 2021·4 cites·8 claims
- 1687US10837377B2Method of implementing control logic of compression ignition engineMAZDA MOTOR·Filed 2019·Granted Nov 17, 2020·3 cites·12 claims
- 1787US6879540B2Synchronous semiconductor memory device having dynamic memory cells and operating method thereofTOSHIBA KK·Filed 2003·Granted Apr 12, 2005·46 cites·13 claims
- 1885USD443898SLabel for automobileHONDA MOTOR CO LTD·Filed 2000·Granted Jun 19, 2001·32 cites·1 claims
- 1983US10704524B2Control system of compression-ignition engineMAZDA MOTOR·Filed 2019·Granted Jul 7, 2020·2 cites·9 claims
- 2082US10934990B2Control device for compression ignition engineMAZDA MOTOR·Filed 2020·Granted Mar 2, 2021·2 cites·10 claims
- 2182US10767577B2Method of implementing control logic of compression-ignition engineMAZDA MOTOR·Filed 2019·Granted Sep 8, 2020·2 cites·20 claims
- 2276US11111871B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Sep 7, 2021·1 cites·20 claims
- 2374US10794323B2Control system for compression-ignition engineMAZDA MOTOR·Filed 2019·Granted Oct 6, 2020·1 cites·8 claims
- 2474US5031147ASemiconductor memoryTOSHIBA KK·Filed 1989·Granted Jul 9, 1991·29 cites·6 claims
- 2573US10968845B2Control device for compression ignition engineMAZDA MOTOR·Filed 2020·Granted Apr 6, 2021·1 cites·10 claims
- 2673US7573306B2Semiconductor memory device, power supply detector and semiconductor deviceTOSHIBA KK·Filed 2007·Granted Aug 11, 2009·7 cites·12 claims
- 2772US8682568B2Diesel engine and method of controlling the diesel engineSHIMO DAISUKE·Filed 2011·Granted Mar 25, 2014·4 cites·12 claims
- 2868US10704523B2Control system of compression-ignition engineMAZDA MOTOR·Filed 2019·Granted Jul 7, 2020·1 cites·10 claims
- 2968US8239744B2Memory system with semiconductor memory and its data transfer methodSHIRAI YUTAKA·Filed 2009·Granted Aug 7, 2012·4 cites·19 claims
- 3068US5243228ASubstrate bias voltage generator circuitTOSHIBA KK·Filed 1992·Granted Sep 7, 1993·29 cites·7 claims
- 3166US6768691B2Semiconductor integrated circuit and memory systemTOSHIBA KK·Filed 2002·Granted Jul 27, 2004·14 cites·19 claims
- 3266USD443654SLabel for automobileHONDA MOTOR CO LTD·Filed 2000·Granted Jun 12, 2001·14 cites·1 claims
- 3361US9234478B2Diesel engine for automobile, control device and control methodMORINAGA SHINICHI·Filed 2011·Granted Jan 12, 2016·2 cites·6 claims
- 3459US10522231B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Dec 31, 2019·1 cites·19 claims
- 3557US10995681B2Combustion control device for engineMAZDA MOTOR·Filed 2020·Granted May 4, 2021·0 cites·10 claims
- 3655US11313269B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Apr 26, 2022·0 cites·14 claims
- 3755US11168639B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Nov 9, 2021·0 cites·20 claims
- 3854US11105255B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Aug 31, 2021·0 cites·20 claims
- 3952US11326508B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted May 10, 2022·0 cites·20 claims
- 4051US11326543B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted May 10, 2022·0 cites·20 claims
- 4151US11203969B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Dec 21, 2021·0 cites·17 claims
- 4251US11187179B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Nov 30, 2021·0 cites·17 claims
- 4350US11448156B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Sep 20, 2022·0 cites·19 claims
- 4450US11199152B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Dec 14, 2021·0 cites·20 claims
- 4549US11220972B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Jan 11, 2022·0 cites·19 claims
- 4649US10760519B2Control device of compression-ignition engineMAZDA MOTOR·Filed 2019·Granted Sep 1, 2020·0 cites·18 claims
- 4748US11220971B2Control apparatus for compression-ignition type engineMAZDA MOTOR·Filed 2019·Granted Jan 11, 2022·0 cites·19 claims
- 4848US10914244B2Fuel injection device of engineMAZDA MOTOR·Filed 2018·Granted Feb 9, 2021·0 cites·13 claims
- 4947US10920655B2Control device for compression ignition engineMAZDA MOTOR·Filed 2020·Granted Feb 16, 2021·0 cites·7 claims
- 5042US11371462B2Control apparatus and control method for compression ignition type engineMAZDA MOTOR·Filed 2020·Granted Jun 28, 2022·0 cites·7 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →