Inventor
KOUMURA TUKASA
JP3 patents
Patents
3 patentsUS5574598ANov 12, 1996
Varifocal lens
NIPPON DENSO CO98 citations94
US5498868AMar 12, 1996
Optical data reader capable of quickly changing a condensing position of a light beam
NIPPON DENSO CO43 citations89
US5456798AOct 10, 1995
Methods and apparatus for processing curved surface
NIPPON DENSO CO22 citations89