Inventor
KUSHIRO YUKITOSHI
JP9 patents
Patents
9 patentsUS4720835AJan 19, 1988
Integrated semiconductor light emitting element with oscillation wavelength and phase modulated light output
KOKUSAI DENSHIN DENWA CO LTD156 citations98
US4992837AFeb 12, 1991
Light emitting semiconductor device
KOKUSAI DENSHIN DENWA CO LTD32 citations92
US4820655AApr 11, 1989
Method for manufacturing semiconductor optical integrated device with optical waveguide regions
KOKUSAI DENSHIN DENWA CO LTD30 citations92
US4811352AMar 7, 1989
Semiconductor integrated light emitting device
KOKUSAI DENSHIN DENWA CO LTD36 citations92
US4743087AMay 10, 1988
Optical external modulation semiconductor element
KOKUSAI DENSHIN DENWA CO LTD21 citations82
US4731641AMar 15, 1988
Avalanche photo diode with quantum well layer
KOKUSAI DENSHIN DENWA CO LTD19 citations82
US4837526AJun 6, 1989
Semiconductor external optical modulator
KOKUSAI DENSHIN DENWA CO LTD16 citations73
US4811353AMar 7, 1989
Semiconductor optical modulator
KOKUSAI DENSHIN DENWA CO LTD7 citations73
US4456998AJun 26, 1984
Semiconductor laser
KOKUSAI DENSHIN DENWA CO LTD2 citations61