Inventor
ATSUMI KEN
JP12 patents
⚠️ This page may combine multiple inventors who share the name “ATSUMI KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
10 patentsUS6300841B1Oct 9, 2001
Atomic oscillator utilizing a high frequency converting circuit and an active, low-integral-number multiplier
FUJITSU LTD25 citations91
US6985043B2Jan 10, 2006
Atomic oscillator
FUJITSU LTD11 citations83
US6812800B2Nov 2, 2004
Atomic oscillator
FUJITSU LTD17 citations83
US6570455B2May 27, 2003
Rubidium atom oscillator generating a stable frequency
FUJITSU LTD8 citations72
US5712597AJan 27, 1998
Rubidium atom oscillator with temperature stabilized frequency output
FUJITSU LTD10 citations72
US7145403B2Dec 5, 2006
Static magnetic field applying structure for use in atomic oscillator
FUJITSU LTD2 citations62
US6801091B2Oct 5, 2004
Oscillator controller and atomic oscillator
FUJITSU LTD6 citations61
US9906229B2Feb 27, 2018
Phase locked loop circuit and phase locked loop method
FUJITSU LTD0 citations50
US9083318B2Jul 14, 2015
Digitally controlled oscillator and output frequency control method
FUJITSU LTD0 citations50
US7855580B2Dec 21, 2010
Phase comparator, phase synchronizing circuit, and phase-comparison control method
FUJITSU LTD1 citations50