Inventor
NARUSAWA KEIJI
JP7 patents
Patents
7 patentsUS6154333ANov 28, 2000
Amplification circuit
SONY CORP8 citations71
US6920002B2Jul 19, 2005
Reproducing amplifier and magnetic recording and reproducing apparatus employing the reproducing amplifier
SONY CORP9 citations67
US5818211AOct 6, 1998
Current generating circuit for read/write head
SONY CORP4 citations60
US6683740B1Jan 27, 2004
Architecture for a hard disk drive write amplifier circuit with damping control
SONY CORP3 citations58
US6762894B2Jul 13, 2004
Head apparatus, hard disk apparatus and recording and playback apparatus
SONY CORP0 citations50
US6798601B2Sep 28, 2004
Impact detecting circuit, impact detecting apparatus, and recording and reproducing apparatus including same
SONY CORP0 citations45
US8023391B2Sep 20, 2011
Photodetection device and optical disk device
SONY CORP0 citations29