Inventor
IWAMOTO MASANOBU
JP6 patents
Patents
6 patentsUS5732098AMar 24, 1998
LED display device
TOSHIBA KK49 citations94
US6548834B2Apr 15, 2003
Semiconductor light emitting element
TOSHIBA KK40 citations92
US6229834B1May 8, 2001
Led display device
TOSHIBA KK31 citations90
US9070817B2Jun 30, 2015
Photocoupler and semiconductor light emitting element
TOSHIBA KK9 citations82
US11114822B2Sep 7, 2021
Optical semiconductor element
TOSHIBA KK0 citations61
US11908972B2Feb 20, 2024
Semiconductor light-emitting device and optical coupling device
TOSHIBA KK0 citations48