Inventor
NAKAI MICHIHIRO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “NAKAI MICHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIKURA LTD
12 patentsUS7492993B2Feb 17, 2009
Multi-port coupler, optical amplifier, and fiber laser
FUJIKURA LTD33 citations92
US5930437AJul 27, 1999
Optical filter with planar optical waveguide having periodically varied distribution of refractive index and production process thereof
FUJIKURA LTD31 citations92
US5949934ASep 7, 1999
Optical waveguide grating and production method therefor
FUJIKURA LTD35 citations91
US7693367B2Apr 6, 2010
Multi-mode optical coupler
FUJIKURA LTD7 citations73
US9048622B2Jun 2, 2015
High power pulsed light generation device
FUJIKURA LTD6 citations72
US8040926B2Oct 18, 2011
Multi-core fiber for optical pumping device and manufacturing method thereof, optical pumping device, fiber laser and fiber amplifier
FUJIKURA LTD4 citations62
US7656913B2Feb 2, 2010
Fiber pulse laser apparatus and method of controlling the same
FUJIKURA LTD2 citations62
US6819834B2Nov 16, 2004
Optical fiber grating, optical fiber grating manufacturing method, and optical fiber grating manufacturing apparatus
FUJIKURA LTD2 citations60
US8004753B2Aug 23, 2011
Optical amplifier, fiber laser, and method of eliminating reflected light
FUJIKURA LTD1 citations52
US8831048B2Sep 9, 2014
Fiber laser
FUJIKURA LTD1 citations51
US8503495B2Aug 6, 2013
Laser device
FUJIKURA LTD0 citations51
US9397465B2Jul 19, 2016
Fiber laser device
FUJIKURA LTD0 citations41
NAKAI MICHIHIRO
4 patentsUS8442089B2May 14, 2013
Laser device
NAKAI MICHIHIRO2 citations60
US9020007B2Apr 28, 2015
Laser device
NAKAI MICHIHIRO0 citations50
US8867123B2Oct 21, 2014
High-power pulsed light generator
NAKAI MICHIHIRO0 citations39
US8139616B2Mar 20, 2012
Pulsed light generator and pulsed fiber laser
NAKAI MICHIHIRO0 citations39