Inventor
ARAI AKIRA
JP66 patents
⚠️ This page may combine multiple inventors who share the name “ARAI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
26 patentsUS6796363B2Sep 28, 2004
Cooling roll, ribbon-shaped magnetic materials, magnetic powders and bonded magnets
SEIKO EPSON CORP18 citations93
US6558482B1May 6, 2003
Magnetic powder and isotropic bonded magnet
SEIKO EPSON CORP24 citations93
US6551418B2Apr 22, 2003
Magnetic powder and isotropic bonded magnet
SEIKO EPSON CORP19 citations93
US6527875B2Mar 4, 2003
Magnetic powder and isotropic bonded magnet
SEIKO EPSON CORP20 citations93
US6401799B1Jun 11, 2002
Method of manufacturing magnet material, ribbon-shaped magnet material, magnetic powder and bonded magnet
SEIKO EPSON CORP14 citations84
US6979374B2Dec 27, 2005
Magnetic powder, manufacturing method of magnetic powder and bonded magnets
SEIKO EPSON CORP9 citations74
US6951625B2Oct 4, 2005
Magnetic powder and isotropic bonded magnet
SEIKO EPSON CORP10 citations74
US6892792B2May 17, 2005
Cooling roll, ribbon-shaped magnetic materials, magnetic powders and bonded magnets
SEIKO EPSON CORP5 citations74
US6855265B2Feb 15, 2005
Magnetic powder and isotropic bonded magnet
SEIKO EPSON CORP8 citations74
US6648989B2Nov 18, 2003
Magnetic powder and bonded magnet
SEIKO EPSON CORP9 citations74
US6536507B1Mar 25, 2003
Cooling roll, method for manufacturing magnet material, ribbon shaped magnet material, magnetic powder and bonded magnet
SEIKO EPSON CORP7 citations74
US6500277B1Dec 31, 2002
Magnetic powder and isotropic bonded magnet
SEIKO EPSON CORP10 citations74
US6478891B1Nov 12, 2002
Ribbon shaped magnet material magnetic powder and rare earth bonded magnet
SEIKO EPSON CORP7 citations74
US6187217B1Feb 13, 2001
Thin magnet alloy belt and resin bonded magnet
SEIKO EPSON CORP13 citations74
US5352302AOct 4, 1994
Method of producing a rare-earth permanent magnet
SEIKO EPSON CORP10 citations73
US11008707B2May 18, 2021
Sheet manufacturing apparatus, sheet manufacturing system, control method of a sheet manufacturing apparatus, and sheet manufacturing method
SEIKO EPSON CORP4 citations72
US7211361B2May 1, 2007
Image formation apparatus and image formation method
SEIKO EPSON CORP2 citations63
US7149440B2Dec 12, 2006
Image formation apparatus and method for decreasing density unevenness
SEIKO EPSON CORP2 citations63
US7138070B2Nov 21, 2006
Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic material and bonded magnets
SEIKO EPSON CORP2 citations63
US7087185B2Aug 8, 2006
Magnetic powder and isotropic bonded magnet
SEIKO EPSON CORP2 citations63
US6916385B2Jul 12, 2005
Method of manufacturing magnet materials, and ribbon-shaped magnet materials, powdered magnet materials and bonded magnets
SEIKO EPSON CORP2 citations63
US6896745B2May 24, 2005
Magnetic powder, manufacturing method of magnetic powder and bonded magnets
SEIKO EPSON CORP6 citations63
US6838014B2Jan 4, 2005
Cooling roll, ribbon-shaped magnetic materials, magnetic powders and bonded magnets
SEIKO EPSON CORP2 citations63
US6830633B2Dec 14, 2004
Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic materials and bonded magnets
SEIKO EPSON CORP4 citations63
US6554913B2Apr 29, 2003
Method of manufacturing magnetic powder, magnetic powder and bonded magnets
SEIKO EPSON CORP4 citations63
US6521054B2Feb 18, 2003
Magnetic powder and isotropic bonded magnet
SEIKO EPSON CORP5 citations63
HITACHI LTD
15 patentsUS5127229AJul 7, 1992
Gas turbine combustor
HITACHI LTD56 citations96
US5054280AOct 8, 1991
Gas turbine combustor and method of running the same
HITACHI LTD82 citations96
US4808084AFeb 28, 1989
Apparatus for transferring small amount of fluid
HITACHI LTD82 citations96
US4432694AFeb 21, 1984
Blower
HITACHI LTD62 citations95
US4726738AFeb 23, 1988
Motor-driven compressor provided with torque control device
HITACHI LTD61 citations94
US4300629ANov 17, 1981
Cross-fin tube type heat exchanger
HITACHI LTD61 citations94
US4977508ADec 11, 1990
Internal combustion engine equipped with a torque controller
HITACHI LTD52 citations93
US4890453AJan 2, 1990
Method and apparatus for burning gaseous fuel, wherein fuel composition varies
HITACHI LTD26 citations92
US4822250AApr 18, 1989
Apparatus for transferring small amount of fluid
HITACHI LTD41 citations92
US4174196ANov 13, 1979
Screw fluid machine
HITACHI LTD46 citations92
US4365667ADec 28, 1982
Heat exchanger
HITACHI LTD48 citations91
US4503907AMar 12, 1985
Heat exchanger coated with aqueous coating composition
HITACHI LTD50 citations87
US4474026AOct 2, 1984
Refrigerating apparatus
HITACHI LTD53 citations87
US4993222AFeb 19, 1991
Method for burning gaseous fuel, wherein fuel composition varies
HITACHI LTD10 citations73
US4175416ANov 27, 1979
Apparatus for manufacturing heat transfer tubes
HITACHI LTD12 citations73
YAMAHA CORP
4 patentsUS6317405B1Nov 13, 2001
Method of and device for controlling light power to be used for recording on optical disk
YAMAHA CORP34 citations93
US7481295B2Jan 27, 2009
Speaker system and speaker enclosure
YAMAHA CORP12 citations84
US9398376B2Jul 19, 2016
Electroacoustic transducer
YAMAHA CORP3 citations73
US8028792B2Oct 4, 2011
Speaker apparatus
YAMAHA CORP3 citations63
ARAI AKIRA
3 patentsNIHON OUYOU KOUGAKU KABUSHIKI
1 patentSHIN MEIWA IND CO LTD
1 patentShowing the top 50 of 66 patents by PatentIndex Score.