Inventor
KARASAWA JOJI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “KARASAWA JOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
18 patentsUS6040945AMar 21, 2000
Head mount display device
SEIKO EPSON CORP91 citations97
US5977935ANov 2, 1999
Head-mounted image display device and data processing apparatus including the same
SEIKO EPSON CORP183 citations97
US5739797AApr 14, 1998
Head-mounted virtual image display device having switching means enabling user to select eye to view image
SEIKO EPSON CORP111 citations97
US6011653AJan 4, 2000
Head-mounted display
SEIKO EPSON CORP62 citations96
US6320559B1Nov 20, 2001
Head-mounted image display device and data processing apparatus including the same
SEIKO EPSON CORP66 citations95
US6538624B1Mar 25, 2003
Head-mounted image display apparatus
SEIKO EPSON CORP64 citations94
US6491396B2Dec 10, 2002
Projector modulating a plurality of partial luminous fluxes according to imaging information by means of an electro-optical device
SEIKO EPSON CORP49 citations92
US5739893AApr 14, 1998
Head-mounted image display apparatus
SEIKO EPSON CORP43 citations91
US6947212B2Sep 20, 2005
Transmissive screen and rear projector
SEIKO EPSON CORP8 citations73
USD363279SOct 17, 1995
Head set with visual display unit and stereophonic headphones
SEIKO EPSON CORP11 citations73
US7329007B2Feb 12, 2008
Projector
SEIKO EPSON CORP2 citations62
US7168812B2Jan 30, 2007
Projector
SEIKO EPSON CORP2 citations62
US11900319B2Feb 13, 2024
Information processing device
SEIKO EPSON CORP0 citations52
US11054727B2Jul 6, 2021
Projector and projection system
SEIKO EPSON CORP0 citations52
US7843536B2Nov 30, 2010
Liquid crystal display device and projector
SEIKO EPSON CORP0 citations52
US7172293B2Feb 6, 2007
Projector
SEIKO EPSON CORP0 citations52
US7390095B2Jun 24, 2008
Projector
SEIKO EPSON CORP0 citations51
US7156523B2Jan 2, 2007
Projector
SEIKO EPSON CORP0 citations41