Inventor
HIRAI TAKAHIRO
JP63 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
29 patentsUS7532503B2May 12, 2009
Magnetic recording element, magnetic recording apparatus and recording method of information
TOSHIBA KK44 citations93
US6290782B1Sep 18, 2001
Magnetic material and manufacturing method thereof, and bonded magnet using the same
TOSHIBA KK16 citations93
US5968290AOct 19, 1999
Permanent magnet material and bonded magnet
TOSHIBA KK25 citations93
US7733684B2Jun 8, 2010
Data read/write device
TOSHIBA KK22 citations92
US7558103B2Jul 7, 2009
Magnetic switching element and signal processing device using the same
TOSHIBA KK23 citations92
US5658396AAug 19, 1997
Magnetic material
TOSHIBA KK25 citations92
US5549766AAug 27, 1996
Magnetic material
TOSHIBA KK26 citations92
US5482573AJan 9, 1996
Magnetic material
TOSHIBA KK20 citations92
US5480495AJan 2, 1996
Magnetic material
TOSHIBA KK25 citations92
US5716462AFeb 10, 1998
Magnetic material and bonded magnet
TOSHIBA KK44 citations91
US9190499B2Nov 17, 2015
Nonvolatile semiconductor memory device, capacitance element, and method for manufacturing nonvolatile semiconductor memory device
TOSHIBA KK13 citations84
US8014189B2Sep 6, 2011
Information recording/reproducing device
TOSHIBA KK7 citations84
US7995382B2Aug 9, 2011
Information recording and reproducing apparatus
TOSHIBA KK9 citations84
US7733145B2Jun 8, 2010
Nonvolatile latch circuit and nonvolatile flip-flop circuit
TOSHIBA KK15 citations84
US7266034B2Sep 4, 2007
Data recording device
TOSHIBA KK12 citations84
US5456769AOct 10, 1995
Magnetic material
TOSHIBA KK15 citations82
US6468440B1Oct 22, 2002
Magnet powder and method for producing the same, and bonded magnet using the same
TOSHIBA KK8 citations74
US6406559B2Jun 18, 2002
Magnetic material and manufacturing method thereof, and bonded magnet using the same
TOSHIBA KK13 citations74
US5968289AOct 19, 1999
Permanent magnetic material and bond magnet
TOSHIBA KK8 citations74
US5601662AFeb 11, 1997
Method of introducing magnetic anisotropy into magnetic material
TOSHIBA KK15 citations74
US8018762B2Sep 13, 2011
Information recording and reproducing apparatus
TOSHIBA KK4 citations63
US7961586B2Jun 14, 2011
Information recording/reproducing device
TOSHIBA KK5 citations63
US7936587B2May 3, 2011
Data read/write device
TOSHIBA KK1 citations63
US7852739B2Dec 14, 2010
Positioning system mounted on probe memory device and positioning method thereof
TOSHIBA KK6 citations63
US7838877B2Nov 23, 2010
Information recording and reproducing apparatus
TOSHIBA KK2 citations63
US7606096B2Oct 20, 2009
Semiconductor integrated circuit device
TOSHIBA KK3 citations63
US7273675B2Sep 25, 2007
Aqueus electrolytic solution primary battery
TOSHIBA KK3 citations63
US6416593B2Jul 9, 2002
Magnetic material and manufacturing method thereof, and bonded magnet using the same
TOSHIBA KK5 citations63
US7244528B2Jul 17, 2007
Aluminum negative electrode battery
TOSHIBA KK2 citations62
SONY CORP
3 patentsUS5892519AApr 6, 1999
Information display device for displaying variation of environment
SONY CORP120 citations98
US6622158B1Sep 16, 2003
Character information copying system, recording apparatus, and recording method
SONY CORP16 citations83
US6313812B1Nov 6, 2001
Single remote control system for plurality of audio and visual equipment
SONY CORP12 citations73
HITACHI KOKI KK
3 patentsTSUKAMOTO TAKAYUKI
2 patentsKUBO KOHICHI
2 patentsKAMATA CHIKAYOSHI
2 patentsMITSUBISHI HEAVY IND LTD
2 patentsCALP CORP
1 patentIDEMITSU KOSAN CO
1 patentKOKI HOLDINGS CO LTD
1 patentTAKEDA TAKESHI
1 patentHIRAI TAKAHIRO
1 patentKIOXIA CORP
1 patentTOSHIBA MEMORY CORP
1 patentShowing the top 50 of 63 patents by PatentIndex Score.