Inventor
FURUTA SHIGERU
JP18 patents
⚠️ This page may combine multiple inventors who share the name “FURUTA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
10 patentsUS5056089AOct 8, 1991
Memory device
MITSUBISHI ELECTRIC CORP155 citations99
US5698837ADec 16, 1997
Method and system for identifying and communicating with a plurality of contactless IC cards
MITSUBISHI ELECTRIC CORP250 citations98
US5212373AMay 18, 1993
Non-contact ic card
MITSUBISHI ELECTRIC CORP98 citations96
US5047924ASep 10, 1991
Microcomputer
MITSUBISHI ELECTRIC CORP78 citations96
US5585617ADec 17, 1996
Non-contact IC card communicating at multiple frequencies
MITSUBISHI ELECTRIC CORP39 citations92
US5036460AJul 30, 1991
Microprocessor having miswriting preventing function
MITSUBISHI ELECTRIC CORP42 citations92
US5225667AJul 6, 1993
Ic card
MITSUBISHI ELECTRIC CORP26 citations90
US5019970AMay 28, 1991
IC card
MITSUBISHI ELECTRIC CORP18 citations74
US5016212AMay 14, 1991
IC card having system ROM selection inhibit
MITSUBISHI ELECTRIC CORP13 citations74
US4924465AMay 8, 1990
Memory with function test of error detection/correction device
MITSUBISHI ELECTRIC CORP15 citations74
RENESAS ELECTRONICS CORP
5 patentsUS10469256B2Nov 5, 2019
Cryptographic communication system and cryptographic communication method
RENESAS ELECTRONICS CORP4 citations73
US9608818B2Mar 28, 2017
Cryptographic communication system and cryptographic communication method
RENESAS ELECTRONICS CORP2 citations73
US9300470B2Mar 29, 2016
Semiconductor device and method of writing data to semiconductor device
RENESAS ELECTRONICS CORP2 citations62
US9931953B2Apr 3, 2018
Non-contact power supply method and non-contact power supply system
RENESAS ELECTRONICS CORP1 citations52
US9245153B2Jan 26, 2016
Semiconductor device
RENESAS ELECTRONICS CORP0 citations52