Inventor
TAKUSHIMA MICHIKO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “TAKUSHIMA MICHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
23 patentsUS6487340B2Nov 26, 2002
Optical fiber grating element, production method, and optical fiber filter
SUMITOMO ELECTRIC INDUSTRIES21 citations92
US6337937B1Jan 8, 2002
Optical filter and method of making the same
SUMITOMO ELECTRIC INDUSTRIES29 citations92
US7062120B2Jun 13, 2006
Optical device and movable reflector
SUMITOMO ELECTRIC INDUSTRIES11 citations84
US6825981B2Nov 30, 2004
Optical signal processor
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6810170B2Oct 26, 2004
Optical signal processor
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6665472B2Dec 16, 2003
Optical filter having cascaded long-period gratings
SUMITOMO ELECTRIC INDUSTRIES9 citations74
US6522810B2Feb 18, 2003
Optical loss filter
SUMITOMO ELECTRIC INDUSTRIES12 citations74
US6253008B1Jun 26, 2001
Optical filter and method of making the same
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US7277607B2Oct 2, 2007
Optical multiplexer/demultiplexer, optical device, and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US7272278B2Sep 18, 2007
Optical multiplexer/demultiplexer
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7106924B2Sep 12, 2006
Optical switching device and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US6823106B2Nov 23, 2004
Optical multiplexer/demultiplexer and adjustment method thereof
SUMITOMO ELECTRIC INDUSTRIES5 citations63
US9083141B2Jul 14, 2015
Optical component, optical fiber amplifier, and optical fiber ring resonator
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US7521660B2Apr 21, 2009
Optical signal processor and optical signal processing method for processing optical signals in optical communications systems
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US7081982B2Jul 25, 2006
Movable mirror device and dispersion compensator
SUMITOMO ELECTRIC INDUSTRIES6 citations62
US6983089B2Jan 3, 2006
Method of fabricating optical signal processor
SUMITOMO ELECTRIC INDUSTRIES2 citations61
US7161739B2Jan 9, 2007
Optical system, optical device including the same, and optical device designing method
SUMITOMO ELECTRIC INDUSTRIES2 citations60
US7457497B2Nov 25, 2008
Optical multiplexer/demultiplexer and optical communication system
SUMITOMO ELECTRIC INDUSTRIES1 citations52
US7016570B2Mar 21, 2006
Optical signal processor
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US6785444B2Aug 31, 2004
Optical fiber grating device
SUMITOMO ELECTRIC INDUSTRIES0 citations42
US7068877B2Jun 27, 2006
Movable mirror device, dispersion compensator, gain equalizer, and optical ADM apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US6927913B2Aug 9, 2005
Optical signal processing apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations40
US6823114B2Nov 23, 2004
Optical signal processing apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations40