Inventor
KASAHARA KENICHI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “KASAHARA KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
16 patentsUS4829357AMay 9, 1989
PNPN thyristor
NEC CORP52 citations96
US5434434AJul 18, 1995
Semiconductor optical device having device regions and diffraction gratings
NEC CORP84 citations95
US5424559AJun 13, 1995
Surface emitting photonic switching structure
NEC CORP32 citations92
US5394423AFeb 28, 1995
Surface emitting semiconductor laser
NEC CORP26 citations92
US5059788AOct 22, 1991
Optical logic device with PNPN detection and laser diode output
NEC CORP24 citations92
US4910571AMar 20, 1990
Optical semiconductor device
NEC CORP32 citations92
US4864168ASep 5, 1989
Process for controlling an optical pnpn thyristor to be driven
NEC CORP34 citations92
US5340998AAug 23, 1994
Semiconductor surface light emitting and receiving heterojunction device
NEC CORP12 citations73
US5136345AAug 4, 1992
Semiconductor layer comprising cyclically stacked narrow, intermediate, and wide band gap semiconductor films
NEC CORP14 citations73
US5093875AMar 3, 1992
Optical interconnection apparatus
NEC CORP10 citations73
US5028969AJul 2, 1991
Semiconductor device for a space modulation matrix and method for driving a space modulation matrix
NEC CORP15 citations73
US5527732AJun 18, 1996
Method for fabricating semiconductor laser and photo detecting arrays for wavelength division multiplexing optical interconnections
NEC CORP12 citations71
US5153758AOct 6, 1992
Driving method and apparatus for a pnpn semiconductor device
NEC CORP3 citations62
US5065044ANov 12, 1991
Method for driving a pnpn semiconductor device
NEC CORP2 citations62
US5084748AJan 28, 1992
Semiconductor optical memory having a low switching voltage
NEC CORP4 citations61
US5021694AJun 4, 1991
Circuit for driving a gated p-n-p-n device
NEC CORP5 citations54