Inventor
SUYAMA TAKAHIRO
JP46 patents
Patents
46 patentsUS4984244AJan 8, 1991
Semiconductor laser device
SHARP KK26 citations93
US4567060AJan 28, 1986
Method of producing a semiconductor laser device
SHARP KK42 citations93
US5022036AJun 4, 1991
Semiconductor laser device
SHARP KK31 citations92
US4845724AJul 4, 1989
Semiconductor laser device having optical guilding layers of unequal resistance
SHARP KK32 citations92
US4750183AJun 7, 1988
Semiconductor laser device
SHARP KK41 citations92
US4745612AMay 17, 1988
Separate confinement heterostructure semiconductor laser device
SHARP KK41 citations92
US6055255AApr 25, 2000
Semiconductor laser device and method for producing the same
SHARP KK19 citations83
US6023484AFeb 8, 2000
Semiconductor laser device
SHARP KK9 citations74
US5360762ANov 1, 1994
Semiconductor laser device, and a method for producing a compound semiconductor device including the semiconductor laser device
SHARP KK8 citations74
US5271028ADec 14, 1993
Semiconductor laser device
SHARP KK12 citations74
US5255279AOct 19, 1993
Semiconductor laser device, and a method for producing a compound semiconductor device including the semiconductor laser device
SHARP KK10 citations74
US5027169AJun 25, 1991
Semiconductor device with substrate misorientation
SHARP KK10 citations74
US5001522AMar 19, 1991
Optical semiconductor device
SHARP KK12 citations74
US4941024AJul 10, 1990
Semiconductor apparatus
SHARP KK10 citations74
US4907239AMar 6, 1990
Semiconductor laser device
SHARP KK6 citations74
US4905246AFeb 27, 1990
Semiconductor laser device
SHARP KK13 citations74
US4901326AFeb 13, 1990
Semiconductor laser device
SHARP KK12 citations74
US4894836AJan 16, 1990
Semiconductor device
SHARP KK15 citations74
US4887274ADec 12, 1989
Deterioration-resistant superlattice semiconductor laser device
SHARP KK11 citations74
US4862470AAug 29, 1989
Semiconductor laser device
SHARP KK7 citations74
US4860297AAug 22, 1989
Quantum well semiconductor laser device
SHARP KK13 citations74
US4852111AJul 25, 1989
Semiconductor laser device
SHARP KK14 citations74
US4841533AJun 20, 1989
Semiconductor laser device having a graded index waveguide
SHARP KK9 citations74
US4835783AMay 30, 1989
Semiconductor laser
SHARP KK16 citations74
US4824518AApr 25, 1989
Method for the production of semiconductor devices
SHARP KK8 citations74
US4787089ANov 22, 1988
Quantum well semiconductor laser device
SHARP KK13 citations74
US4759024AJul 19, 1988
Semiconductor laser device having an oscillation wavelength in the visible short-wavelength region
SHARP KK9 citations74
US4746181AMay 24, 1988
Optical semiconductor device
SHARP KK13 citations74
US4693207ASep 15, 1987
Apparatus for the growth of semiconductor crystals
SHARP KK7 citations74
US4694460ASep 15, 1987
Stripe geometry semiconductor laser device
SHARP KK12 citations74
US4691214ASep 1, 1987
Optical semiconductor apparatus
SHARP KK10 citations74
US4637029AJan 13, 1987
Semiconductor laser
SHARP KK16 citations74
US4569721AFeb 11, 1986
Method for the production of semiconductor lasers
SHARP KK14 citations74
US4545057AOct 1, 1985
Window structure of a semiconductor laser
SHARP KK14 citations74
US5909425AJun 1, 1999
Optical information reproduction apparatus having a semiconductor laser device light source
SHARP KK2 citations63
US5491106AFeb 13, 1996
Method for growing a compound semiconductor and a method for producing a semiconductor laser
SHARP KK3 citations63
US4899349AFeb 6, 1990
Semiconductor laser device
SHARP KK5 citations63
US4806994AFeb 21, 1989
Semiconductor device
SHARP KK3 citations63
US4807235AFeb 21, 1989
Semiconductor laser device
SHARP KK6 citations63
US4769822ASep 6, 1988
Semiconductor laser device
SHARP KK3 citations63
US4761790AAug 2, 1988
Optical semiconductor device
SHARP KK6 citations63
US4737959AApr 12, 1988
Semiconductor laser array device
SHARP KK3 citations63
US4723253AFeb 2, 1988
Semiconductor laser array
SHARP KK3 citations63
US4720833AJan 19, 1988
Semiconductor laser apparatus
SHARP KK3 citations63
US5111470AMay 5, 1992
Semiconductor laser device and a method of fabricating the same
SHARP KK4 citations62
US5042044AAug 20, 1991
Semiconductor laser device, a semiconductor wafer
SHARP KK1 citations52