Inventor
NIRATSUKA KIMITOSHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “NIRATSUKA KIMITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
8 patentsUS5818303AOct 6, 1998
Fractional N-frequency synthesizer and spurious signal cancel circuit
FUJITSU LTD62 citations95
US6876185B2Apr 5, 2005
PLL semiconductor device with testability, and method and apparatus for testing same
FUJITSU LTD16 citations91
US6317476B1Nov 13, 2001
Suppressing channel-dependent spurious signals in fractional-N synthesizer
FUJITSU LTD17 citations83
US7342436B2Mar 11, 2008
Bipolar supply voltage generator and semiconductor device for same
FUJITSU LTD15 citations82
US5606740AFeb 25, 1997
Time delay controlled switching for a DC/DC converter in a selective call device for reducing ripple
FUJITSU LTD14 citations73
US6597162B2Jul 22, 2003
PLL semiconductor device with testability, and method and apparatus for testing same
FUJITSU LTD5 citations72
US7405627B2Jul 29, 2008
PLL frequency synthesizer
FUJITSU LTD7 citations71
US6366767B1Apr 2, 2002
Local oscillation circuit and a receiving circuit including the local oscillation circuit
FUJITSU LTD1 citations51