Inventor
AKAO HIROTAKA
JP14 patents
⚠️ This page may combine multiple inventors who share the name “AKAO HIROTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
13 patentsUS6754408B2Jun 22, 2004
Optical switch and display unit
SONY CORP38 citations96
US8976453B2Mar 10, 2015
Light reflecting member, light beam extension device, image display device, and optical device
SONY CORP27 citations92
US6961175B2Nov 1, 2005
Screen, its manufacturing method and image display system
SONY CORP25 citations92
US6859569B2Feb 22, 2005
Information receiving/display apparatus and information receiving/display method
SONY CORP21 citations92
US6895138B2May 17, 2005
Optical switch and display unit
SONY CORP12 citations84
US9759920B2Sep 12, 2017
Light reflecting member, light beam extension device, image display device, and optical device
SONY CORP15 citations83
US7068875B2Jun 27, 2006
Optical switch and display unit
SONY CORP7 citations74
US7345818B2Mar 18, 2008
Screen, its manufacturing method and image display system
SONY CORP5 citations73
US7242523B2Jul 10, 2007
Screen, its manufacturing method and image display system
SONY CORP6 citations73
US7035008B2Apr 25, 2006
Screen, its manufacturing method and image display system
SONY CORP10 citations73
US7273774B2Sep 25, 2007
Method for making thin-film semiconductor device
SONY CORP2 citations62
US7063890B2Jun 20, 2006
Fine particle structure and optical medium
SONY CORP3 citations62
US7335539B2Feb 26, 2008
Method for making thin-film semiconductor device
SONY CORP0 citations52