Inventor
AIKAWA MAKOTO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “AIKAWA MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
16 patentsUS7360091B2Apr 15, 2008
Secure data transfer method of using a smart card
HITACHI LTD51 citations92
US6683956B1Jan 27, 2004
Encrypting conversion apparatus, decrypting conversion apparatus, cryptographic communication system, and electronic toll collection apparatus
HITACHI LTD36 citations92
US6654821B1Nov 25, 2003
Remotely controllable electronic apparatus and remote control method
HITACHI LTD23 citations92
US6606385B1Aug 12, 2003
Data encrypting/decrypting conversion methods and apparatuses and data communication system adopting the same
HITACHI LTD14 citations84
US7737824B2Jun 15, 2010
Radio frequency identification (RFID) tag, portable terminal, and server for RFID tag
HITACHI LTD15 citations82
US6768926B2Jul 27, 2004
Controller, controlled device, control method, and control system
HITACHI LTD10 citations70
US7628323B2Dec 8, 2009
System of settlement transaction and method
HITACHI LTD2 citations63
US7263723B2Aug 28, 2007
Apparatus and method for outputting digital information
HITACHI LTD3 citations63
US7246739B2Jul 24, 2007
System of settlement transaction and method
HITACHI LTD2 citations63
US6898578B2May 24, 2005
Recording apparatus for recording digital information
HITACHI LTD2 citations63
US10877454B2Dec 29, 2020
Communication method, central control device and individual control device
HITACHI LTD0 citations52
US7611047B2Nov 3, 2009
System of settlement transaction and method
HITACHI LTD0 citations52
US7174088B2Feb 6, 2007
Digital signal recording method, digital signal reproducing method, digital signal recording and reproducing method, and digital signal recording and reproducing apparatus
HITACHI LTD1 citations52
US8001326B2Aug 16, 2011
Portable terminal
HITACHI LTD0 citations49
US7356645B2Apr 8, 2008
Portable terminal with an IC card mounted thereon
HITACHI LTD0 citations49
US7404523B2Jul 29, 2008
IC card with a cipher key conversion function
HITACHI LTD0 citations41
IBM
3 patentsUS7486096B2Feb 3, 2009
Method and apparatus for testing to determine minimum operating voltages in electronic devices
IBM9 citations84
US7203608B1Apr 10, 2007
Impedane measurement of chip, package, and board power supply system using pseudo impulse response
IBM10 citations83
US7917347B2Mar 29, 2011
Generating a worst case current waveform for testing of integrated circuit devices
IBM3 citations62
AIKAWA MAKOTO
3 patentsUS8099604B2Jan 17, 2012
Communication system, method for transferring information, and information-communication device
AIKAWA MAKOTO4 citations60
US8094890B2Jan 10, 2012
Biometric authentication apparatus, biometric authentication system, IC card and biometric authentication method
AIKAWA MAKOTO2 citations59
US8339240B2Dec 25, 2012
Semiconductor element, biometric authentication method, biometric authentication system and mobile terminal
AIKAWA MAKOTO2 citations58