Patents/Inventors

Norikazu Igarashi

KanagawaJP5 patents

6 Patents

US124495822025
Light Guide and Virtual-image Display Device
RICOH COMPANY, Ltd.
0 cites
US122652252025
Light Guide Member and Display Device
RICOH COMPANY, Ltd.
0 cites
US121816732024
Propagation Optical System and Virtual Image Display Device
RICOH COMPANY, Ltd.
0 cites
US120992072024
Virtual Image Display Device
RICOH COMPANY, Ltd.
0 cites
US119600962024
Head-mounted Display Device Containing Relay Optical System Between Image Display Unit and Light Guide Member and Display System
RICOH COMPANY, Ltd.
0 cites
US116564612023
Head-mounted Display Device with Adjuster
RICOH COMPANY, Ltd.
0 cites