Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Variable focal lens device

Variable focal lens device

US Patent 4861146 · Granted Aug 29, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

DC motor2007
Apparatus for mounting electronic parts2006
Image reading device and method for the same2006
Device and method for reading image, and recording medium for image reading prog2004
DC motor rotation control apparatus2003
DC motor rotation detecting apparatus and DC motor rotation control apparatus2003
DC motor rotation detecting apparatus and DC motor rotation control apparatus2003
Microorganism manipulating apparatus and microorganism manipulating method there2002
Image scanner2002
Injection molding method for resin-sealed component2000
Electronic part mounting apparatus with reflector which optimizes available ligh1999
Camera which displays information to a user corresponding to a message imprinted1997