Inventor
NAKAYAMA MASAKAZU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA MASAKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIKURA LTD
8 patentsUS7233728B2Jun 19, 2007
Dispersion compensating optical fiber
FUJIKURA LTD7 citations73
US6937805B2Aug 30, 2005
Dispersion compensating fiber and dispersion compensating fiber module
FUJIKURA LTD11 citations73
US6876803B2Apr 5, 2005
Optical transmission system
FUJIKURA LTD10 citations73
US7346258B2Mar 18, 2008
Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same
FUJIKURA LTD5 citations72
US7496261B2Feb 24, 2009
Dispersion compensating optical fiber and dispersion compensating optical fiber module
FUJIKURA LTD4 citations62
US6965719B2Nov 15, 2005
Dispersion compensating optical fiber and dispersion compensating optical fiber module
FUJIKURA LTD5 citations62
US7711238B2May 4, 2010
Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same
FUJIKURA LTD1 citations61
US7406236B2Jul 29, 2008
Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same
FUJIKURA LTD4 citations61
MITSUBISHI ELECTRIC CORP
3 patentsUS6940250B2Sep 6, 2005
Synchronous motor control device and method of correcting deviation in rotational position of synchronous motor
MITSUBISHI ELECTRIC CORP22 citations92
US6771040B2Aug 3, 2004
Control apparatus and control method of on-vehicle dynamo-electric machine
MITSUBISHI ELECTRIC CORP43 citations92
US6949902B2Sep 27, 2005
Controller of rotating electric machine for vehicle
MITSUBISHI ELECTRIC CORP14 citations84