Inventor
MITANI MASAO
JP43 patents
⚠️ This page may combine multiple inventors who share the name “MITANI MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI KOKI KK
19 patentsUS5896154AApr 20, 1999
Ink jet printer
HITACHI KOKI KK160 citations99
US5621524AApr 15, 1997
Method for testing ink-jet recording heads
HITACHI KOKI KK169 citations99
US5831648ANov 3, 1998
Ink jet recording head
HITACHI KOKI KK115 citations98
US5697144ADec 16, 1997
Method of producing a head for the printer
HITACHI KOKI KK135 citations98
US5666140ASep 9, 1997
Ink jet print head
HITACHI KOKI KK82 citations96
US5444475AAug 22, 1995
Thermal recording head
HITACHI KOKI KK59 citations96
US5278618AJan 11, 1994
Thermal fixing device including a non-adhesive resin coated metal belt and PTC thermistor heater
HITACHI KOKI KK53 citations96
US5821960AOct 13, 1998
Ink jet recording head having first and second connection lines
HITACHI KOKI KK28 citations93
US5790154AAug 4, 1998
Method of manufacturing an ink ejection recording head and a recording apparatus using the recording head
HITACHI KOKI KK34 citations93
US5670996ASep 23, 1997
Thermal ink jet recording device and method of cleaning a recording head
HITACHI KOKI KK31 citations93
US5467112ANov 14, 1995
Liquid droplet ejecting apparatus
HITACHI KOKI KK42 citations93
US5966153AOct 12, 1999
Ink jet printing device
HITACHI KOKI KK15 citations74
US5734398AMar 31, 1998
Thermal ink jet printer and a method of driving the same
HITACHI KOKI KK13 citations74
US5710583AJan 20, 1998
Ink jet image recorder
HITACHI KOKI KK10 citations74
US5386281AJan 31, 1995
Thermal fixing device
HITACHI KOKI KK19 citations74
US5216466AJun 1, 1993
Electrophotographic recording apparatus and system including a dielectric belt and transfer and fixing means
HITACHI KOKI KK11 citations74
US5980024ANov 9, 1999
Ink jet print head and a method of driving ink therefrom
HITACHI KOKI KK2 citations63
US5729260AMar 17, 1998
Ink jet printer with high power, short duration pulse
HITACHI KOKI KK2 citations63
US5428432AJun 27, 1995
Electrophotographic recording apparatus having integrated heating and cooling device
HITACHI KOKI KK3 citations63
HITACHI LTD
15 patentsUS5184208AFeb 2, 1993
Semiconductor device
HITACHI LTD115 citations98
US5499087AMar 12, 1996
Heat fixing device and electrophotographic apparatus incorporating the same having a PTC heating element received in a recess of a holder
HITACHI LTD88 citations96
US4581628AApr 8, 1986
Circuit programming by use of an electrically conductive light shield
HITACHI LTD60 citations95
US4463073AJul 31, 1984
Method and apparatus for redressing defective photomask
HITACHI LTD59 citations95
US4952272AAug 28, 1990
Method of manufacturing probing head for testing equipment of semi-conductor large scale integrated circuits
HITACHI LTD105 citations94
US4983110AJan 8, 1991
Resin encapsulating apparatus for semiconductor devices
HITACHI LTD23 citations93
US4444801AApr 24, 1984
Method and apparatus for correcting transparent defects on a photomask
HITACHI LTD51 citations92
US5365113ANov 15, 1994
Semiconductor device
HITACHI LTD15 citations82
US4301353ANov 17, 1981
Method for producing magnetic head
HITACHI LTD25 citations82
US5742101AApr 21, 1998
Semiconductor device
HITACHI LTD9 citations74
US5514905AMay 7, 1996
Semiconductor device
HITACHI LTD13 citations74
US5110515AMay 5, 1992
Method of encapsulating semiconductor chips
HITACHI LTD19 citations74
US4517444AMay 14, 1985
Thermal printhead
HITACHI LTD19 citations72
US4343986AAug 10, 1982
Thermal printhead
HITACHI LTD14 citations70
US4460494AJul 17, 1984
Resistor
HITACHI LTD5 citations61
FUJI PHOTO FILM CO LTD
7 patentsUS6962407B2Nov 8, 2005
Inkjet recording head, method of manufacturing the same, and inkjet printer
FUJI PHOTO FILM CO LTD26 citations93
US6161924ADec 19, 2000
Ink jet recording head
FUJI PHOTO FILM CO LTD22 citations92
US6663227B2Dec 16, 2003
Semiconductor device and process for producing the same
FUJI PHOTO FILM CO LTD11 citations74
US6598957B2Jul 29, 2003
Recording head and process for producing the same
FUJI PHOTO FILM CO LTD9 citations74
US6749289B2Jun 15, 2004
Liquid ejection apparatus and inkjet printer, and method of manufacturing them
FUJI PHOTO FILM CO LTD3 citations63
US6403476B2Jun 11, 2002
Semiconductor chip, semiconductor wafer, semiconductor device and method of manufacturing the semiconductor device
FUJI PHOTO FILM CO LTD2 citations63
US7043837B2May 16, 2006
Method of manufacture of inkjet printer head
FUJI PHOTO FILM CO LTD0 citations52