Inventor
AOYAGI TOSHITAKA
JP25 patents
Patents
25 patentsUS5185290AFeb 9, 1993
Method of coating facet of semiconductor optical element
MITSUBISHI ELECTRIC CORP78 citations96
US5170458ADec 8, 1992
Optical fiber light-amplifier system
MITSUBISHI ELECTRIC CORP63 citations96
US5909523AJun 1, 1999
Optical module and method of fabricating optical module
MITSUBISHI ELECTRIC CORP60 citations95
US5638391AJun 10, 1997
Semiconductor laser device and optical disc apparatus provided with the semiclonductor laser device
MITSUBISHI ELECTRIC CORP64 citations93
US5790737AAug 4, 1998
Optical semiconductor device
MITSUBISHI ELECTRIC CORP17 citations92
US4924474AMay 8, 1990
Laser device with high oscillation efficiency
MITSUBISHI ELECTRIC CORP30 citations92
US5906753AMay 25, 1999
Method of making optical semi-conductor device
MITSUBISHI ELECTRIC CORP15 citations81
US5332695AJul 26, 1994
Method of manufacturing semi conductor device mounted on a heat sink
MITSUBISHI ELECTRIC CORP8 citations74
US5282219AJan 25, 1994
Semiconductor laser structure having a non-reflection film
MITSUBISHI ELECTRIC CORP12 citations74
US5247203ASep 21, 1993
Semiconductor device mounted on a heat sink with an intervening amorphous semiconductor material
MITSUBISHI ELECTRIC CORP11 citations74
US5157681AOct 20, 1992
Wavelength-tunable distributed Bragg reflector semiconductor laser
MITSUBISHI ELECTRIC CORP9 citations74
US6788725B2Sep 7, 2004
Semiconductor laser device
MITSUBISHI ELECTRIC CORP7 citations73
US5550855AAug 27, 1996
Optical modulator
MITSUBISHI ELECTRIC CORP10 citations73
US5214663AMay 25, 1993
Semiconductor laser
MITSUBISHI ELECTRIC CORP11 citations73
US7277465B2Oct 2, 2007
Semiconductor laser
MITSUBISHI ELECTRIC CORP2 citations63
US5185287AFeb 9, 1993
Method for producing a quantum well structure
MITSUBISHI ELECTRIC CORP4 citations63
US5177749AJan 5, 1993
Semiconductor laser device
MITSUBISHI ELECTRIC CORP3 citations63
US5161164ANov 3, 1992
Semiconductor laser device
MITSUBISHI ELECTRIC CORP4 citations63
US5048037ASep 10, 1991
Semiconductor laser device
MITSUBISHI ELECTRIC CORP6 citations63
US5025450AJun 18, 1991
Semiconductor laser device
MITSUBISHI ELECTRIC CORP2 citations63
US4988404AJan 29, 1991
Method of producing a primary diffraction grating
MITSUBISHI ELECTRIC CORP5 citations63
US7733934B2Jun 8, 2010
Optical waveguide and semiconductor optical element
MITSUBISHI ELECTRIC CORP3 citations61
US7723666B2May 25, 2010
Photodiode array configured to increase electrical output power and optical microwave transmission system receiver utilizing the same
MITSUBISHI ELECTRIC CORP0 citations52
US7365904B2Apr 29, 2008
Optical wavelength converter
MITSUBISHI ELECTRIC CORP1 citations52
US4868837ASep 19, 1989
Semiconductor laser
MITSUBISHI ELECTRIC CORP0 citations40