Assignee
YAMAMOTO YUJIRO
7 patents
Top patents by PatentIndex Score
US4093883AJun 6, 1978
Piezoelectric multimorph switches
YAMAMOTO YUJIRO87 citations95
US4042967AAug 16, 1977
Ground fault sensor
YAMAMOTO YUJIRO34 citations92
US4879495ANov 7, 1989
Illumination control methods and means
YAMAMOTO YUJIRO17 citations73
US4479114AOct 23, 1984
Omnidirectional acceleration alarm and switch therefor
YAMAMOTO YUJIRO13 citations73
US4395651AJul 26, 1983
Low energy relay using piezoelectric bender elements
YAMAMOTO YUJIRO18 citations73
US4386341AMay 31, 1983
Security apparatus with audible alarm of enhanced urgency
YAMAMOTO YUJIRO16 citations73
US4220947ASep 2, 1980
Headlamp and security alarm control system
YAMAMOTO YUJIRO11 citations73