Inventor · disambiguated record
Michihiro Nakai
Also filed as: NAKAI MICHIHIRO
24 granted patents·3 pending applications·150 citations·filing 1997–2014
94Inventor score
Top patents by PatentIndex Score
27 records- 0196US7492993B2Multi-port coupler, optical amplifier, and fiber laserFUJIKURA LTD·Filed 2007·Granted Feb 17, 2009·33 cites·13 claims
- 0284US9048622B2High power pulsed light generation deviceFUJIKURA LTD·Filed 2014·Granted Jun 2, 2015·6 cites·5 claims
- 0375US7693367B2Multi-mode optical couplerFUJIKURA LTD·Filed 2008·Granted Apr 6, 2010·7 cites·2 claims
- 0470US5949934AOptical waveguide grating and production method thereforFUJIKURA LTD·Filed 1997·Granted Sep 7, 1999·35 cites·8 claims
- 0569US8442089B2Laser deviceNAKAI MICHIHIRO·Filed 2010·Granted May 14, 2013·2 cites·4 claims
- 0668US8040926B2Multi-core fiber for optical pumping device and manufacturing method thereof, optical pumping device, fiber laser and fiber amplifierFUJIKURA LTD·Filed 2008·Granted Oct 18, 2011·4 cites·10 claims
- 0767US5930437AOptical filter with planar optical waveguide having periodically varied distribution of refractive index and production process thereofFUJIKURA LTD·Filed 1997·Granted Jul 27, 1999·31 cites·8 claims
- 0866US7656913B2Fiber pulse laser apparatus and method of controlling the sameFUJIKURA LTD·Filed 2008·Granted Feb 2, 2010·2 cites·8 claims
- 0965US8340487B2Rare earth-doped core optical fiber and manufacturing method thereofIKEDA MASASHI·Filed 2008·Granted Dec 25, 2012·1 cites·7 claims
- 1063US8831048B2Fiber laserFUJIKURA LTD·Filed 2013·Granted Sep 9, 2014·1 cites·18 claims
- 1162US8004753B2Optical amplifier, fiber laser, and method of eliminating reflected lightFUJIKURA LTD·Filed 2009·Granted Aug 23, 2011·1 cites·16 claims
- 1259US8446923B2Fiber laser deviceOBA YASUHIRO·Filed 2012·Granted May 21, 2013·1 cites·6 claims
- 1359US5996375AMethod of making an optical waveguide grating with two dissimilar irradiating stepsFiled 1997·Granted Dec 7, 1999·24 cites·4 claims
- 1451US9020007B2Laser deviceNAKAI MICHIHIRO·Filed 2013·Granted Apr 28, 2015·0 cites·9 claims
- 1548US2010276822A1Rare earth-doped core optical fiber and manufacturing method thereofFUJIKURA LTD·Filed 2010·Application pending·0 cites
- 1647US8781274B2Optical amplifier and resonatorNOGUCHI YOSHIKIYO·Filed 2013·Granted Jul 15, 2014·0 cites·12 claims
- 1747US8548013B2Fiber laserKITABAYASHI TOMOHARU·Filed 2009·Granted Oct 1, 2013·0 cites·5 claims
- 1847US8503495B2Laser deviceFUJIKURA LTD·Filed 2012·Granted Aug 6, 2013·0 cites·8 claims
- 1947US6819834B2Optical fiber grating, optical fiber grating manufacturing method, and optical fiber grating manufacturing apparatusFUJIKURA LTD·Filed 2001·Granted Nov 16, 2004·2 cites·4 claims
- 2047US2010067860A1Rare earth-doped core optical fiberFUJIKURA LTD·Filed 2009·Application pending·0 cites
- 2145US8649403B2Fiber laser deviceOBA YASUHIRO·Filed 2012·Granted Feb 11, 2014·0 cites·7 claims
- 2243US9397465B2Fiber laser deviceFUJIKURA LTD·Filed 2014·Granted Jul 19, 2016·0 cites·6 claims
- 2342US8867123B2High-power pulsed light generatorNAKAI MICHIHIRO·Filed 2012·Granted Oct 21, 2014·0 cites·6 claims
- 2442US8509580B2Optical amplifier and resonatorNOGUCHI YOSHIKIYO·Filed 2010·Granted Aug 13, 2013·0 cites·7 claims
- 2540US2005041923A1Optical fiber grating, optical fiber grating manufacturing method, and optical fiber grating manufacturing apparatusFiled 2004·Application pending·0 cites
- 2639US8139616B2Pulsed light generator and pulsed fiber laserNAKAI MICHIHIRO·Filed 2010·Granted Mar 20, 2012·0 cites·5 claims
- 2738US8331408B2Fiber laser deviceOBA YASUHIRO·Filed 2012·Granted Dec 11, 2012·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →