Inventor
SOMA MASAHIRO
JP43 patents
⚠️ This page may combine multiple inventors who share the name “SOMA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPS ELECTRIC CO LTD
22 patentsUS6704005B2Mar 9, 2004
Input device which allows button input operation and coordinate input operation to be performed in the same operation plane
ALPS ELECTRIC CO LTD173 citations99
US7312790B2Dec 25, 2007
Input apparatus for performing input operation corresponding to indication marks and coordinate input operation on the same operational plane
ALPS ELECTRIC CO LTD101 citations98
US7166813B2Jan 23, 2007
Multistep switch having capacitive type sensor
ALPS ELECTRIC CO LTD93 citations98
US6589118B1Jul 8, 2003
Analog input device to input multi directional signals
ALPS ELECTRIC CO LTD1,124 citations98
US6342009B1Jan 29, 2002
Input device for game machine
ALPS ELECTRIC CO LTD101 citations98
US5293158AMar 8, 1994
X-Y direction input device
ALPS ELECTRIC CO LTD66 citations96
US6956559B2Oct 18, 2005
Character input apparatus
ALPS ELECTRIC CO LTD59 citations94
US7321361B2Jan 22, 2008
Coordinate input device having non-flat operation surface and electronic apparatus
ALPS ELECTRIC CO LTD24 citations92
US7310083B2Dec 18, 2007
Coordinate input device
ALPS ELECTRIC CO LTD25 citations92
US7242323B2Jul 10, 2007
Electronic device having touch sensor
ALPS ELECTRIC CO LTD27 citations92
US6585595B1Jul 1, 2003
Vibration generating device and input device for game apparatus using the same
ALPS ELECTRIC CO LTD46 citations92
US5327162AJul 5, 1994
X-y direction input device
ALPS ELECTRIC CO LTD55 citations92
US6352477B1Mar 5, 2002
Signal input device applicable to controllers for game machines
ALPS ELECTRIC CO LTD41 citations91
US7199789B2Apr 3, 2007
Input apparatus having electrostatic sensor
ALPS ELECTRIC CO LTD10 citations84
US6459058B1Oct 1, 2002
Operating device having operating button adapted to slide in housing while being pushed to effect switching operation
ALPS ELECTRIC CO LTD14 citations83
USD338881SAug 31, 1993
Computer mouse
ALPS ELECTRIC CO LTD15 citations74
US4881065ANov 14, 1989
X-Y position input apparatus including preventing dust interference
ALPS ELECTRIC CO LTD18 citations74
US4739315AApr 19, 1988
X-Y input device
ALPS ELECTRIC CO LTD15 citations73
US7324021B2Jan 29, 2008
Input device
ALPS ELECTRIC CO LTD3 citations63
US6042772AMar 28, 2000
Method of manufacturing roller stamp
ALPS ELECTRIC CO LTD5 citations62
USRE41443EJul 20, 2010
Input device which allows button input operation and coordinate input operation to be performed in the same operation plane
ALPS ELECTRIC CO LTD1 citations52
US7643013B2Jan 5, 2010
Input device
ALPS ELECTRIC CO LTD0 citations52
HITACHI LTD
6 patentsUS7406946B1Aug 5, 2008
Method and apparatus for attenuating fuel pump noise in a direct injection internal combustion chamber
HITACHI LTD62 citations97
US4625919ADec 2, 1986
Electromagnetic fuel injection valve
HITACHI LTD31 citations92
US7527038B2May 5, 2009
Method and apparatus for attenuating fuel pump noise in a direct injection internal combustion chamber
HITACHI LTD15 citations84
US8038178B2Oct 18, 2011
High pressure fuel pipe construction for an internal combustion engine
HITACHI LTD8 citations83
US7472839B2Jan 6, 2009
Fuel injector
HITACHI LTD10 citations82
US5156130AOct 20, 1992
Fuel injection system
HITACHI LTD12 citations74
HITACHI AUTOMOTIVE SYSTEMS LTD
5 patentsUS9309850B2Apr 12, 2016
Fuel injection valve
HITACHI AUTOMOTIVE SYSTEMS LTD7 citations83
US10473075B2Nov 12, 2019
Fuel rail and method of manufacturing same
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations72
US11703021B2Jul 18, 2023
Fuel injection device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62
US9765740B2Sep 19, 2017
Fuel injection valve
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US9617963B2Apr 11, 2017
Fuel injection valve
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations42