Inventor
NISHIYAMA SEIICHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “NISHIYAMA SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
11 patentsUS6163181ADec 19, 2000
Frequency divider circuit and digital PLL circuit
SONY CORP30 citations92
US5432477AJul 11, 1995
Wide frequency range amplifier apparatus
SONY CORP20 citations89
US5337010AAug 9, 1994
Wide-band amplifier apparatus
SONY CORP14 citations73
US5317200AMay 31, 1994
Phase shift circuit apparatus
SONY CORP8 citations73
US5539425AJul 23, 1996
Display unit
SONY CORP9 citations70
US5905396AMay 18, 1999
Clamp pulse circuit
SONY CORP4 citations62
US5875002AFeb 23, 1999
Clamp pulse circuit
SONY CORP5 citations62
US5294929AMar 15, 1994
Control system for peripheral devices
SONY CORP3 citations62
US5256983AOct 26, 1993
Wide band amplifier
SONY CORP4 citations62
US5252931AOct 12, 1993
Wide band frequency amplifiers
SONY CORP5 citations62
US5180989AJan 19, 1993
Wideband amplifier
SONY CORP6 citations62
HITACHI LTD
5 patentsUS6331064B1Dec 18, 2001
Liquid crystal display
HITACHI LTD89 citations98
US7518594B2Apr 14, 2009
Liquid crystal display device having an improved backlight
HITACHI LTD2 citations62
US7473021B2Jan 6, 2009
Liquid crystal display
HITACHI LTD2 citations62
US7990361B2Aug 2, 2011
Liquid crystal display device having an improved backlight
HITACHI LTD0 citations51
US7753578B2Jul 13, 2010
Liquid crystal display
HITACHI LTD0 citations51