Inventor
HAGIHARA YASUHIKO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “HAGIHARA YASUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
10 patentsUS7352067B2Apr 1, 2008
Stacked semiconductor device
NEC CORP35 citations92
US5426598AJun 20, 1995
Adder and multiplier circuit employing the same
NEC CORP45 citations92
US5231415AJul 27, 1993
Booth's multiplying circuit
NEC CORP23 citations92
US7330368B2Feb 12, 2008
Three-dimensional semiconductor device provided with interchip interconnection selection means for electrically isolating interconnections other than selected interchip interconnections
NEC CORP16 citations84
US6229340B1May 8, 2001
Semiconductor integrated circuit
NEC CORP16 citations83
US6918050B2Jul 12, 2005
Delay adjustment circuit and a clock generating circuit using the same
NEC CORP11 citations73
US5430668AJul 4, 1995
Floating point multiplier capable of easily performing a failure detection test
NEC CORP7 citations73
US5331581AJul 19, 1994
Artificial random-number pattern generating circuit
NEC CORP9 citations68
US6429688B2Aug 6, 2002
Semiconductor integrated circuit
NEC CORP0 citations51
US7236006B2Jun 26, 2007
Logic circuit, logic circuit design method, logic circuit design system, and logic circuit design program
NEC CORP1 citations50