Inventor
YAMAMOTO TETSUICHIRO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO TETSUICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
8 patentsUS6396648B1May 28, 2002
Image reader which can shorten focal length in optical system having optical lens while keeping predetermined image reading width
NEC CORP52 citations94
US6313586B1Nov 6, 2001
Control apparatus capable of improving a rise time characteristic of a light source
NEC CORP30 citations92
US5852686ADec 22, 1998
Manually operable document reading device for an image forming apparatus
NEC CORP8 citations73
US6713744B1Mar 30, 2004
Scanner having cold-cathode-tube light source and method of controlling a drive signal for illuminating a cold-cathode-tube light source
NEC CORP9 citations72
US6239884B1May 29, 2001
Scanner and method of controlling lighting cold-cathode tube thereof
NEC CORP11 citations72
US5963343AOct 5, 1999
Scanner
NEC CORP15 citations72
US6943922B2Sep 13, 2005
Image reading method and apparatus for same
NEC CORP6 citations62
US6628437B1Sep 30, 2003
Image reading apparatus
NEC CORP3 citations58