Inventor
TOHYAMA TETSUYUKI
JP3 patents
Patents
3 patentsUS6960848B2Nov 1, 2005
Electromagnetic drive device and light quantity adjustment device using the same
NISCA CORP16 citations81
US5484141AJan 16, 1996
Automatic document feeder with position compensating device
NISCA CORP19 citations80
US6981807B2Jan 3, 2006
Electromagnetic drive device and light quantity adjustment device using the same
NISCA CORP4 citations59