P

Inventor

FUNABASHI MASAKI

JP31 patents
⚠️ This page may combine multiple inventors who share the name “FUNABASHI MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FURUKAWA ELECTRIC CO LTD

27 patents
US6782028B2Aug 24, 2004

Semiconductor laser device for use in a semiconductor laser module and an optical amplifier

FURUKAWA ELECTRIC CO LTD24 citations92
US6580740B2Jun 17, 2003

Semiconductor laser device having selective absorption qualities

FURUKAWA ELECTRIC CO LTD41 citations91
US8837869B2Sep 16, 2014

SOA-PLC hybrid integrated polarization diversity circuit and method for manufacturing the same

FURUKAWA ELECTRIC CO LTD9 citations84
US8380032B2Feb 19, 2013

Semiconductor optical amplifier module

FURUKAWA ELECTRIC CO LTD10 citations84
US7561765B2Jul 14, 2009

Optical integrated circuit and optical integrated circuit module

FURUKAWA ELECTRIC CO LTD14 citations84
US6765935B2Jul 20, 2004

Semiconductor laser module, manufacturing method thereof and optical amplifier

FURUKAWA ELECTRIC CO LTD14 citations83
US7180930B2Feb 20, 2007

DFB semiconductor laser device having ununiform arrangement of a diffraction grating

FURUKAWA ELECTRIC CO LTD18 citations82
US6743648B2Jun 1, 2004

Method for fabricating a set of distributed feedback semiconductor lasers

FURUKAWA ELECTRIC CO LTD17 citations82
US6704342B1Mar 9, 2004

Gain-coupled distributed-feedback semiconductor laser device

FURUKAWA ELECTRIC CO LTD7 citations74
US6674783B1Jan 6, 2004

Distributed feedback type semiconductor laser device and method of manufacturing the same

FURUKAWA ELECTRIC CO LTD7 citations74
US6643315B2Nov 4, 2003

Distributed feedback semiconductor laser device and multi-wavelength laser array

FURUKAWA ELECTRIC CO LTD8 citations74
US6614823B2Sep 2, 2003

Semiconductor laser device having a diffraction grating on a light reflection side

FURUKAWA ELECTRIC CO LTD11 citations74
US6472691B2Oct 29, 2002

Distributed feedback semiconductor laser device

FURUKAWA ELECTRIC CO LTD12 citations73
US10511150B2Dec 17, 2019

Wavelength-variable laser

FURUKAWA ELECTRIC CO LTD6 citations72
US6947463B2Sep 20, 2005

Semiconductor laser device for use in a laser module

FURUKAWA ELECTRIC CO LTD4 citations63
US6728288B2Apr 27, 2004

DFB semiconductor laser device

FURUKAWA ELECTRIC CO LTD5 citations63
US6680960B2Jan 20, 2004

Semiconductor laser device having a diffraction grating on a light emission side

FURUKAWA ELECTRIC CO LTD6 citations63
US10938183B2Mar 2, 2021

Wavelength-variable laser

FURUKAWA ELECTRIC CO LTD0 citations62
US7796846B2Sep 14, 2010

Optical integrated device and method of manufacturing the same

FURUKAWA ELECTRIC CO LTD3 citations62
US7453100B2Nov 18, 2008

DFB laser assembly and laser module

FURUKAWA ELECTRIC CO LTD3 citations61
US6829277B2Dec 7, 2004

Distributed feedback semiconductor laser device and laser module

FURUKAWA ELECTRIC CO LTD3 citations61
US6782022B2Aug 24, 2004

Semiconductor laser device having improved output power characteristics

FURUKAWA ELECTRIC CO LTD4 citations61
US6661828B2Dec 9, 2003

Semiconductor laser device

FURUKAWA ELECTRIC CO LTD3 citations61
US9054486B2Jun 9, 2015

Optical amplifier device

FURUKAWA ELECTRIC CO LTD1 citations52
US8532155B2Sep 10, 2013

Optical interconnection system

FURUKAWA ELECTRIC CO LTD1 citations51
US7003013B2Feb 21, 2006

Distributed feedback semiconductor laser device

FURUKAWA ELECTRIC CO LTD0 citations50
US9236706B2Jan 12, 2016

Surface-emitting laser apparatus, optical module, and method of driving surface-emitting laser element

FURUKAWA ELECTRIC CO LTD0 citations40

FUNABASHI MASAKI

1 patent

FURUKAWA ELECTRICAL CO LTD

1 patent

HASEGAWA HIDEAKI

1 patent

OHKI YUTAKA

1 patent