Inventor
TANBA NOBUO
US11 patents
⚠️ This page may combine multiple inventors who share the name “TANBA NOBUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS5386135AJan 31, 1995
Semiconductor CMOS memory device with separately biased wells
HITACHI LTD83 citations96
US5324982AJun 28, 1994
Semiconductor memory device having bipolar transistor and structure to avoid soft error
HITACHI LTD36 citations96
US5497023AMar 5, 1996
Semiconductor memory device having separately biased wells for isolation
HITACHI LTD67 citations95
US6208010B1Mar 27, 2001
Semiconductor memory device
HITACHI LTD25 citations92
US5148255ASep 15, 1992
Semiconductor memory device
HITACHI LTD45 citations92
US5026654AJun 25, 1991
Method of manufacturing a semiconductor device utilizing a single polycrystalline layer for all electrodes
HITACHI LTD23 citations92
US4672416AJun 9, 1987
Semiconductor device
HITACHI LTD20 citations81
US4868626ASep 19, 1989
Semiconductor device
HITACHI LTD9 citations72
US5029323AJul 2, 1991
Semiconductor device
HITACHI LTD1 citations51