Inventor
ISHIKAWA EIICHI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS5991221ANov 23, 1999
Microcomputer and microprocessor having flash memory operable from single external power supply
HITACHI LTD80 citations96
US5844843ADec 1, 1998
Single chip data processing apparatus having a flash memory which is rewritable under the control of built-in CPU in the external write mode
HITACHI LTD51 citations96
US5687345ANov 11, 1997
Microcomputer having CPU and built-in flash memory that is rewritable under control of the CPU analyzing a command supplied from an external device
HITACHI LTD53 citations96
US6407959B2Jun 18, 2002
Microcomputer and microprocessor having flash memory operable from single external power supply
HITACHI LTD22 citations93
US6154412ANov 28, 2000
Microcomputer and microprocessor having flash memory operable from single external power supply
HITACHI LTD28 citations93
US5561627AOct 1, 1996
Nonvolatile semiconductor memory device and data processor
HITACHI LTD48 citations93
US6941505B2Sep 6, 2005
Data processing system and data processing method
HITACHI LTD47 citations92
US6327212B1Dec 4, 2001
Microcomputer and microprocessor having flash memory operable from single external power supply
HITACHI LTD11 citations82
MITSUBISHI ELECTRIC CORP
8 patentsUS5302538AApr 12, 1994
Method of manufacturing field effect transistor
MITSUBISHI ELECTRIC CORP29 citations93
US5808930ASep 15, 1998
Semiconductor memory device having improved wiring architecture
MITSUBISHI ELECTRIC CORP32 citations92
US5554489ASep 10, 1996
Method of forming a fine resist pattern using an alkaline film covered photoresist
MITSUBISHI ELECTRIC CORP23 citations88
US6255225B1Jul 3, 2001
Method of forming a resist pattern, a method of manufacturing semiconductor device by the same method, and a device and a hot plate for forming a resist pattern
MITSUBISHI ELECTRIC CORP8 citations74
US5776825AJul 7, 1998
Method for forming a semiconductor device having reduced stepped portions
MITSUBISHI ELECTRIC CORP11 citations72
US5539231AJul 23, 1996
Dynamic random access memory device having reduced stepped portions
MITSUBISHI ELECTRIC CORP13 citations72
US5561495AOct 1, 1996
Focusing method in photolithography
MITSUBISHI ELECTRIC CORP5 citations55
US6087693AJul 11, 2000
Semiconductor device with reduced stepped portions
MITSUBISHI ELECTRIC CORP0 citations40
RENESAS TECH CORP
7 patentsUS6845046B1Jan 18, 2005
Microcomputer and microprocessor having flash memory operable from single external power supply
RENESAS TECH CORP14 citations84
US7385869B2Jun 10, 2008
Microcomputer and microprocessor having flash memory operable from single external power supply
RENESAS TECH CORP6 citations74
US7236419B2Jun 26, 2007
Microcomputer and microprocessor having flash memory operable from single external power supply
RENESAS TECH CORP7 citations74
US7805562B2Sep 28, 2010
Microcomputer with configurable communication interfacing
RENESAS TECH CORP4 citations63
US7023729B2Apr 4, 2006
Microcomputer and microprocessor having flash memory operable from single external power supply
RENESAS TECH CORP3 citations63
US6832285B2Dec 14, 2004
Microcomputer with mode-controlled memory
RENESAS TECH CORP4 citations63
US7310700B2Dec 18, 2007
Microcomputer, programming method and erasing method
RENESAS TECH CORP0 citations52