Inventor
FUTATSUKA MASAHIKO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “FUTATSUKA MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PFU LTD
10 patentsUS5491567AFeb 13, 1996
Image reading apparatus
PFU LTD23 citations96
US5453852ASep 26, 1995
Paper feed roller structure for image reading apparatus
PFU LTD39 citations96
US5573338ANov 12, 1996
Automatic paper feeder and frame structure of document input device
PFU LTD34 citations92
US5537219AJul 16, 1996
Movable image reading apparatus
PFU LTD22 citations92
US5510909AApr 23, 1996
Image reading apparatus having a paper guide mechanism with spring biased locking releasing pieces connected by symmetrical movement and locking mechanisms
PFU LTD23 citations91
US5537225AJul 16, 1996
Attachment of a light source in an image reading apparatus
PFU LTD10 citations82
US5504587AApr 2, 1996
Image reading apparatus
PFU LTD8 citations82
US5493422AFeb 20, 1996
Image reading apparatus with transparent guide forming separate arc passages with feed rollers for document insertion and output
PFU LTD9 citations82
US5624197AApr 29, 1997
Automatic paper feeder and frame structure of document input device
PFU LTD9 citations74
US5493417AFeb 20, 1996
Image reading apparatus with document width sensor
PFU LTD5 citations74
FUJITSU LTD
2 patentsUS5606430AFeb 25, 1997
Image reading apparatus having projections on surface of hopper near side edges of paper feed path to prevent close contact and reduce static electricity
FUJITSU LTD20 citations92
US5628575AMay 13, 1997
Automatic paper feeder and frame structure of document input device
FUJITSU LTD14 citations82