P

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 patents
US6796363B2Sep 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 patents

YAMAHA CORP

4 patents

ARAI AKIRA

3 patents

NIHON OUYOU KOUGAKU KABUSHIKI

1 patent

SHIN MEIWA IND CO LTD

1 patent

Showing the top 50 of 66 patents by PatentIndex Score.