Inventor
MATSUMIYA HIROSHI
US14 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMIYA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU COMPONENT LTD
4 patentsSEGA ENTERPRISES KK
3 patentsUS5396030AMar 7, 1995
Selective multiple position switch with common pivoted operator
SEGA ENTERPRISES KK46 citations94
US5525770AJun 11, 1996
Control-key mechanism having improved operation feeling
SEGA ENTERPRISES KK20 citations90
USRE36738EJun 20, 2000
Selective multiple position switch with common pivoted operator
SEGA ENTERPRISES KK6 citations71
FUJITSU TAKAMISAWA COMPONENT
2 patentsVERIGY PTE LTD SINGAPORE
2 patentsUS7536663B2May 19, 2009
Method and apparatus for quantifying the timing error induced by an impedance variation of a signal path
VERIGY PTE LTD SINGAPORE2 citations62
US7251798B2Jul 31, 2007
Method and apparatus for quantifying the timing error induced by crosstalk between signal paths
VERIGY PTE LTD SINGAPORE0 citations51