Inventor
ISHIKAWA TOHRU
JP59 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
26 patentsUS6092743AJul 25, 2000
Fuel injection valve
HITACHI LTD54 citations96
US6675766B2Jan 13, 2004
Fuel injection valve and internal combustion engine mounting the same
HITACHI LTD13 citations92
US6474572B1Nov 5, 2002
Fuel-injection valve
HITACHI LTD33 citations92
US6453872B1Sep 24, 2002
Fuel injection valve and internal combustion engine mounting the same
HITACHI LTD20 citations92
US6345601B1Feb 12, 2002
Direct injection fuel injector and internal combustion engine mounting the same
HITACHI LTD42 citations92
US6279532B1Aug 28, 2001
Fuel pressure control apparatus for cylinder injection engine
HITACHI LTD24 citations92
US5915352AJun 29, 1999
In-cylinder fuel injection device and internal combustion engine mounting the same
HITACHI LTD43 citations92
US6766789B2Jul 27, 2004
Injector driving control apparatus
HITACHI LTD22 citations90
US5012982AMay 7, 1991
Electromagnetic fuel injector
HITACHI LTD34 citations90
US4843546AJun 27, 1989
POS system with means for automatically reconfiguring the center PLU and local files
HITACHI LTD49 citations89
US7946274B2May 24, 2011
Electromagnetic fuel injector and method for assembling the same
HITACHI LTD7 citations84
US7819344B2Oct 26, 2010
Electro-magneto fuel injector
HITACHI LTD9 citations84
US7789073B2Sep 7, 2010
Fuel injection control apparatus
HITACHI LTD11 citations84
US7775463B2Aug 17, 2010
Electromagnetic fuel injection valve
HITACHI LTD9 citations84
US7774126B2Aug 10, 2010
Electromagnetic fuel injection valve device
HITACHI LTD12 citations84
US7721713B2May 25, 2010
Electromagnetic fuel injector and method for assembling the same
HITACHI LTD11 citations84
US7607418B2Oct 27, 2009
Fuel injection nozzle and method of holding the same
HITACHI LTD8 citations84
US7334563B2Feb 26, 2008
Fuel injector and in-cylinder direct-injection gasoline engine
HITACHI LTD16 citations82
US5346137ASep 13, 1994
Electromagnetic fuel injection valve
HITACHI LTD19 citations82
US6976468B2Dec 20, 2005
Direct injection gasoline engine
HITACHI LTD6 citations74
US6782867B2Aug 31, 2004
Direct injection gasoline engine
HITACHI LTD8 citations74
US6685114B2Feb 3, 2004
Electromagnetic fuel injection valve
HITACHI LTD11 citations74
US6367720B1Apr 9, 2002
Electromagnetic fuel injection valve
HITACHI LTD12 citations74
US7163162B2Jan 16, 2007
Fuel-injection valve
HITACHI LTD7 citations73
US8371515B2Feb 12, 2013
Electro-magneto fuel injector
HITACHI LTD4 citations63
US7357123B2Apr 15, 2008
Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the same
HITACHI LTD6 citations60
HITACHI AUTOMOTIVE SYSTEMS LTD
10 patentsUS9677526B2Jun 13, 2017
Spark-ignition direct fuel injection valve
HITACHI AUTOMOTIVE SYSTEMS LTD10 citations84
US9541046B2Jan 10, 2017
Fuel injection device
HITACHI AUTOMOTIVE SYSTEMS LTD5 citations84
US10995655B2May 4, 2021
Fuel injection device
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US10704518B2Jul 7, 2020
Spark-ignition direct fuel injection valve
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US10288022B2May 14, 2019
Electromagnetic fuel injector
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US10024288B2Jul 17, 2018
Spark-ignition direct fuel injection valve
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US9726127B2Aug 8, 2017
Fuel injection device
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US9599083B2Mar 21, 2017
Fuel injection valve
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations73
US11703021B2Jul 18, 2023
Fuel injection device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62
US10900435B2Jan 26, 2021
Drive unit of fuel injection device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62
KUSAKABE RYO
3 patentsHOFFMANN LA ROCHE
3 patentsHITACHI CAR ENG CO LTD
2 patentsTOSHIBA KK
1 patentABE MOTOYUKI
1 patentYASUKAWA YOSHIHITO
1 patentOHWADA HISASHI
1 patentHAYATANI MASAHIKO
1 patentIRINO YUSUKE
1 patentShowing the top 50 of 59 patents by PatentIndex Score.