Inventor
MARUYAMA HIROYUKI
JP75 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
9 patentsUS5912684AJun 15, 1999
Inkjet recording apparatus
SEIKO EPSON CORP63 citations96
US5644341AJul 1, 1997
Ink jet head drive apparatus and drive method, and a printer using these
SEIKO EPSON CORP128 citations96
US5992978ANov 30, 1999
Ink jet recording apparatus, and an ink jet head manufacturing method
SEIKO EPSON CORP48 citations95
US6213590B1Apr 10, 2001
Inkjet head for reducing pressure interference between ink supply passages
SEIKO EPSON CORP21 citations92
US6164759ADec 26, 2000
Method for producing an electrostatic actuator and an inkjet head using it
SEIKO EPSON CORP32 citations92
US5818473AOct 6, 1998
Drive method for an electrostatic ink jet head for eliminating residual charge in the diaphragm
SEIKO EPSON CORP54 citations92
US6450625B1Sep 17, 2002
Electrostatic actuator, manufacturing method therefor, and liquid discharging device using the same
SEIKO EPSON CORP11 citations73
US6410107B2Jun 25, 2002
Methods for manufacturing an electrostatic actuator
SEIKO EPSON CORP6 citations73
US6190003B1Feb 20, 2001
Electrostatic actuator and manufacturing method therefor
SEIKO EPSON CORP10 citations73
KONISHIROKU PHOTO IND
8 patentsUS6911993B2Jun 28, 2005
Color image forming apparatus using registration marks
KONISHIROKU PHOTO IND40 citations96
US6839078B2Jan 4, 2005
Image forming apparatus which changes clock frequencies in accordance with recording sheet shrinkage
KONISHIROKU PHOTO IND21 citations92
US5438437AAug 1, 1995
Image forming apparatus with exposure, size, and position correction for pixels
KONISHIROKU PHOTO IND40 citations92
US5023708AJun 11, 1991
Color image forming apparatus for superposing a plurality of images
KONISHIROKU PHOTO IND23 citations92
US6725005B2Apr 20, 2004
Drive control method of photoreceptor drum and image forming apparatus
KONISHIROKU PHOTO IND9 citations73
US5231513AJul 27, 1993
Image forming apparatus
KONISHIROKU PHOTO IND9 citations73
US4878110AOct 31, 1989
Color image processing apparatus which accurately registers multiple color images by counting pulses from a timer reset by a drum index signal
KONISHIROKU PHOTO IND9 citations73
US4849829AJul 18, 1989
Image recording apparatus
KONISHIROKU PHOTO IND10 citations73
RENESAS TECH CORP
5 patentsUS6723631B2Apr 20, 2004
Fabrication method of semiconductor integrated circuit device
RENESAS TECH CORP93 citations96
US7208391B2Apr 24, 2007
Method of manufacturing a semiconductor integrated circuit device that includes forming an isolation trench around active regions and filling the trench with two insulating films
RENESAS TECH CORP19 citations92
US6693008B1Feb 17, 2004
Method of manufacturing a semiconductor integrated circuit device and a semiconductor integrated circuit device
RENESAS TECH CORP29 citations92
US7723849B2May 25, 2010
Semiconductor device and manufacturing method thereof
RENESAS TECH CORP9 citations83
US7176121B2Feb 13, 2007
Semiconductor device and manufacturing method thereof
RENESAS TECH CORP12 citations83
CANON KK
4 patentsUS6762516B2Jul 13, 2004
Electromagnetic actuator and exposure apparatus having the same
CANON KK34 citations93
US7460213B2Dec 2, 2008
Alignment apparatus, exposure apparatus, and device manufacturing method using exposure apparatus
CANON KK2 citations63
US7298457B2Nov 20, 2007
Alignment apparatus, exposure apparatus, and device manufacturing method using exposure apparatus
CANON KK2 citations63
US7201016B2Apr 10, 2007
Refrigerant supply apparatus
CANON KK4 citations63
FUJITSU LTD
4 patentsUS5823522AOct 20, 1998
Sheet holder removably attached to data processing apparatus
FUJITSU LTD25 citations92
US5956161ASep 21, 1999
Image reading apparatus having a steeply inclined paper transport path
FUJITSU LTD36 citations91
US6089563AJul 18, 2000
Paper supply apparatus for image reading apparatus and image reading apparatus with paper supply apparatus as well as paper supply apparatus
FUJITSU LTD31 citations90
US5715071AFeb 3, 1998
Paper supply apparatus for image reading apparatus and image reading apparatus with paper supply apparatus as well as paper supply apparatus
FUJITSU LTD33 citations90
KONICA MINOLTA BUSINESS TECH
4 patentsUS7986912B2Jul 26, 2011
Sheet conveyance apparatus and image forming apparatus with rollers to correct sheet misalignment
KONICA MINOLTA BUSINESS TECH12 citations84
US7263314B2Aug 28, 2007
Electrophotographic image printing apparatus
KONICA MINOLTA BUSINESS TECH11 citations84
US7606516B2Oct 20, 2009
Image printing apparatus
KONICA MINOLTA BUSINESS TECH7 citations74
US6933696B2Aug 23, 2005
Driving device and image forming device
KONICA MINOLTA BUSINESS TECH9 citations73
HITACHI LTD
3 patentsUS7084063B2Aug 1, 2006
Fabrication method of semiconductor integrated circuit device
HITACHI LTD31 citations91
US6833331B2Dec 21, 2004
Method of manufacturing semiconductor integrated circuit device having insulating film formed from liquid substance containing polymer of silicon, oxygen, and hydrogen
HITACHI LTD13 citations84
US6509277B1Jan 21, 2003
Method of manufacturing semiconductor integrated circuit device having insulatro film formed from liquid containing polymer of silicon, oxygen, and hydrogen
HITACHI LTD10 citations74
KONICA CORP
3 patentsUS7542058B2Jun 2, 2009
Color image forming apparatus using registration marks
KONICA CORP9 citations84
US7876342B2Jan 25, 2011
Color image forming apparatus using registration marks
KONICA CORP4 citations73
US7453480B2Nov 18, 2008
Color image forming apparatus using registration marks
KONICA CORP5 citations73
KANEKA CORP
2 patentsPFU LTD
1 patentHITACHI ULSI SYSTEMS C O LTD
1 patentRENESAS ELECTRONICS CORP
1 patentSONY CORP
1 patentHITACHI ULSI SYS CO LTD
1 patentKANEGAFUCHI CHEMICAL IND
1 patentPANASONIC IP MAN CO LTD
1 patentTOWA KASEI KOGYO KK
1 patentShowing the top 50 of 75 patents by PatentIndex Score.