HY

Hiromasa Yamada

HD Hitachi Denshi: 2 patents #77 of 275Top 30%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
HE Hitachi Kokusai Electric: 1 patents #493 of 843Top 60%
📍 Beppu, JP: #14 of 60 inventorsTop 25%
Overall (All Time): #907,411 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12277917 Display method and display device 2025-04-15
8223275 Projector and correction method Shinji Ehara, Tadanori Aruga, Kenji Tanaka, Hiroyuki Akahane, Masaki Uemori 2012-07-17
7035430 Intruding object detection method and intruding object monitor apparatus which automatically set a threshold for object detection Wataru Ito, Hirotada Ueda 2006-04-25
6546115 Method of updating reference background image, method of detecting entering objects and system for detecting entering objects using the methods Wataru Ito, Hirotada Ueda 2003-04-08
6445409 Method of distinguishing a moving object and apparatus of tracking and monitoring a moving object Wataru Ito, Hirotada Ueda 2002-09-03