Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › OPTICAL ELEMENT MADE FROM FLUORIDE SINGLE CRYSTAL, METHOD FOR MANUFACTURING OPTICAL ELEMENT, METHOD FOR CALCULATING BIREFRINGENCE OF OPTICAL ELEMENT AND METHOD FOR DETERMINING DIRECTION OF MINIMUM BIREFRINGENCE OF OPTICAL ELEMENT

OPTICAL ELEMENT MADE FROM FLUORIDE SINGLE CRYSTAL, METHOD FOR MANUFACTURING OPTICAL ELEMENT, METHOD FOR CALCULATING BIREFRINGENCE OF OPTICAL ELEMENT AND METHOD FOR DETERMINING DIRECTION OF MINIMUM BIREFRINGENCE OF OPTICAL ELEMENT

US Patent 6411384 · Granted Jun 25, 2002

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Chip antenna, an antenna device, and a communication equipment2010
Method for producing optical member2006
High throughput TDMA/TDD diversity communication by assembling time slots into d2005
Manufacturing method for calcium fluoride and calcium fluoride for photolithogra2004
Manufacturing method for calcium fluoride and calcium fluoride for photolithogra2004
Optical member for photolithography and method for evaluating the same2004
Carrier detecting circuit for detecting the level of a received signal and commu2003
Receiver having functions for cancelling DC offset and measuring carrier detecti2003
Optical member for photolithography and photolithography apparatus2002
Manufacturing method for calcium fluoride and calcium fluoride for photolithogra2001
Manufacturing method for calcium fluoride and calcium fluoride for photolithogra2001
Mobile communications system2001