Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical logic device with PNPN detection and laser diode output

Optical logic device with PNPN detection and laser diode output

US Patent 5059788 · Granted Oct 22, 1991

Estimated economic value: $30,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Planar optical mesh-connected tree interconnect network1996
Method for fabricating semiconductor laser and photo detecting arrays for wavele1996
Semiconductor optical device having device regions and diffraction gratings1995
Surface emitting photonic switching structure1995
Surface emitting semiconductor laser1995
Semiconductor surface light emitting and receiving heterojunction device1994
Driving method and apparatus for a pnpn semiconductor device1992
Driving method and apparatus for a pnpn semiconductor device1992
Semiconductor layer comprising cyclically stacked narrow, intermediate, and wide1992
Optical interconnection apparatus1992
Optical interconnection apparatus1992
Semiconductor optical memory having a low switching voltage1992