Inventor
KAWASHIMA KAZUHIRO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “KAWASHIMA KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 patentsUS5168445ADec 1, 1992
Automatic ordering system and method for allowing a shop to tailor ordering needs
HITACHI LTD280 citations98
US6058382AMay 2, 2000
Electronic money holding device utilizing an automatic payment method
HITACHI LTD88 citations97
US5241465AAug 31, 1993
Method for determining optimum schedule in computer-aided scheduling system
HITACHI LTD101 citations95
US5303144AApr 12, 1994
Computer aided planning support system
HITACHI LTD71 citations94
US6728686B2Apr 27, 2004
Electronic money holding device and electronic money automatic payment method
HITACHI LTD16 citations92
USD411524SJun 29, 1999
IC card reader and writer
HITACHI LTD20 citations92
US5303147AApr 12, 1994
Computer aided planning method and system
HITACHI LTD27 citations92
US5764975AJun 9, 1998
Data mining method and apparatus using rate of common records as a measure of similarity
HITACHI LTD48 citations90
US6505297B1Jan 7, 2003
IC card terminal device and installation of application program into IC card terminal device
HITACHI LTD9 citations73
US6502078B2Dec 31, 2002
Electronic money holding device and electronic money automatic payment method
HITACHI LTD9 citations73
US5590272ADec 31, 1996
Method and system for a high-reliable disk system
HITACHI LTD9 citations72
US4839803AJun 13, 1989
Planning support method and system
HITACHI LTD7 citations72
TOSHIBA KK
4 patentsUS5408698AApr 18, 1995
Radio tele-communication device having function of variably controlling received signal level
TOSHIBA KK77 citations96
US4998291AMar 5, 1991
Radio telephone apparatus
TOSHIBA KK69 citations96
US5201068AApr 6, 1993
Radio telecommunications apparatus
TOSHIBA KK20 citations82
US5444736AAug 22, 1995
Radio communication apparatus having an automatic frequency control circuit for controlling a transmission frequency on the basis of a reception frequency
TOSHIBA KK18 citations74