Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical head using birefringent diffraction grating

Optical head using birefringent diffraction grating

US Patent 5493555 · Granted Feb 20, 1996

Estimated economic value: $13,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Label tape, label tape cartridge, and label producing apparatus2013
Tape processing apparatus, tag label producing apparatus, tag assembly, and tape2011
Semiconductor encapsulating epoxy resin composition and semiconductor device2011
Semiconductor encapsulating epoxy resin composition and semiconductor device2011
Pesticidal pyrazoles and derivatives2004
Semiconductor encapsulating epoxy resin composition and semiconductor device2004
Pesticidal pyrazoles and derivatives2003
Semiconductor encapsulating epoxy resin composition and semiconductor device2002
Cleavage method of bisphenols2002
Pesticidal pyrazoles and derivatives2002
Epoxy resin composition and semiconductor device2002
Preparation process of phenol aralkyl resins2000