Inventor
YAMAMOTO RYOICHI
JP78 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
27 patentsUS6046837AApr 4, 2000
Optical modulator
FUJI PHOTO FILM CO LTD165 citations99
US6561608B1May 13, 2003
Image forming method and apparatus
FUJI PHOTO FILM CO LTD59 citations96
US7070262B2Jul 4, 2006
Droplet ejecting head
FUJI PHOTO FILM CO LTD42 citations93
US6962407B2Nov 8, 2005
Inkjet recording head, method of manufacturing the same, and inkjet printer
FUJI PHOTO FILM CO LTD26 citations93
US6517181B2Feb 11, 2003
Method and apparatus for forming image with feedback control of recording liquid
FUJI PHOTO FILM CO LTD17 citations93
US6517178B1Feb 11, 2003
Image forming method and apparatus
FUJI PHOTO FILM CO LTD24 citations93
US6467893B1Oct 22, 2002
Method and apparatus for forming image with plural coating liquids
FUJI PHOTO FILM CO LTD24 citations93
US6341852B1Jan 29, 2002
Method and apparatus for forming image with feedback control of recording liquid
FUJI PHOTO FILM CO LTD16 citations93
US4808456AFeb 28, 1989
Magneto-optical recording medium and method of making the same
FUJI PHOTO FILM CO LTD27 citations93
US5418029AMay 23, 1995
Information recording medium and method
FUJI PHOTO FILM CO LTD33 citations92
US5371729ADec 6, 1994
Information recording method
FUJI PHOTO FILM CO LTD26 citations92
US5075145ADec 24, 1991
Optical recording medium
FUJI PHOTO FILM CO LTD29 citations92
US6981760B2Jan 3, 2006
Ink jet head and ink jet printer
FUJI PHOTO FILM CO LTD18 citations84
US7304620B2Dec 4, 2007
Image display apparatus and image display method
FUJI PHOTO FILM CO LTD8 citations74
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
US6582054B2Jun 24, 2003
Image forming apparatus
FUJI PHOTO FILM CO LTD12 citations74
US6299286B1Oct 9, 2001
Method and apparatus for forming image with coating of recording liquid and undercoating liquid
FUJI PHOTO FILM CO LTD7 citations74
US6057955AMay 2, 2000
Optical modulator and drive method thereof
FUJI PHOTO FILM CO LTD9 citations74
US5109377AApr 28, 1992
Magneto-optical recording medium and method of producing the same
FUJI PHOTO FILM CO LTD8 citations74
US5055353AOct 8, 1991
Magneto-optical recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4992336AFeb 12, 1991
Magneto-optical recording medium
FUJI PHOTO FILM CO LTD17 citations74
US4929320AMay 29, 1990
Method of making magneto-optical recording medium
FUJI PHOTO FILM CO LTD13 citations74
US4837118AJun 6, 1989
Magneto-optical recording medium
FUJI PHOTO FILM CO LTD11 citations74
US4802160AJan 31, 1989
Optical disk substrate
FUJI PHOTO FILM CO LTD9 citations74
US4789606ADec 6, 1988
Magneto-optical recording medium
FUJI PHOTO FILM CO LTD14 citations74
US4735698AApr 5, 1988
Method of making magneto-optical recording medium
FUJI PHOTO FILM CO LTD11 citations74
MITSUI PETROCHEMICAL IND
9 patentsUS5676847AOct 14, 1997
Method for recovering crystals from slurry with wash water recycle means
MITSUI PETROCHEMICAL IND100 citations97
US4420592ADec 13, 1983
Process for multi-step gaseous phase polymerization of olefins
MITSUI PETROCHEMICAL IND68 citations96
US4243636AJan 6, 1981
Apparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compounds
MITSUI PETROCHEMICAL IND124 citations96
US5008450AApr 16, 1991
Process for exchanging dispersing medium of terephthalic acid slurry
MITSUI PETROCHEMICAL IND36 citations93
US4338424AJul 6, 1982
Multi-step gas-phase polymerization of olefins
MITSUI PETROCHEMICAL IND52 citations92
US5738249AApr 14, 1998
Quantitative powder feeder capable of feeding powder by fixed amounts
MITSUI PETROCHEMICAL IND34 citations91
US4525547AJun 25, 1985
Process for producing ethylene copolymer by gaseous phase copolymerization
MITSUI PETROCHEMICAL IND23 citations82
US5463113AOct 31, 1995
Process and apparatus for producing terephthalic acid
MITSUI PETROCHEMICAL IND19 citations77
US4521378AJun 4, 1985
Fluid bed reactor system composed of cylindrical reaction vessel equipped with distribution plate and agitator
MITSUI PETROCHEMICAL IND25 citations77
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS4529638AJul 16, 1985
Thermal insulator
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations94
US4561989ADec 31, 1985
Heat storage material
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations82
US4492725AJan 8, 1985
Composite thermal insulator
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations82
US4431558AFeb 14, 1984
Heat accumulating material
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
KOBAYASHI KENJI
1 patentFUJIFILM CORP
1 patentDENSO CORP
1 patentMITSUI CHEMICALS INC
1 patentNIPPON DENSO CO
1 patentKONICA MINOLTA BUSINESS TECH
1 patentNATEC INC
1 patentMITSUI SHIPBUILDING ENG
1 patentUBE INDUSTRIES
1 patentTEISAN KK
1 patentShowing the top 50 of 78 patents by PatentIndex Score.