Inventor
TIAN ZENGCHENG
JP9 patents
⚠️ This page may combine multiple inventors who share the name “TIAN ZENGCHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RENESAS TECH CORP
7 patentsUS6954103B2Oct 11, 2005
Semiconductor device having internal voltage generated stably
RENESAS TECH CORP34 citations92
US6873563B2Mar 29, 2005
Semiconductor circuit device adaptable to plurality of types of packages
RENESAS TECH CORP50 citations92
US6813210B2Nov 2, 2004
Semiconductor memory device requiring refresh operation
RENESAS TECH CORP24 citations92
US6724223B2Apr 20, 2004
Semiconductor device used in two systems having different power supply voltages
RENESAS TECH CORP26 citations92
US6717460B2Apr 6, 2004
Semiconductor device
RENESAS TECH CORP26 citations92
US6724679B2Apr 20, 2004
Semiconductor memory device allowing high density structure or high performance
RENESAS TECH CORP15 citations83
US6775177B2Aug 10, 2004
Semiconductor memory device switchable to twin memory cell configuration
RENESAS TECH CORP11 citations73