Inventor
NABESHIMA TOMIO
JP6 patents
Patents
6 patentsUS5932139AAug 3, 1999
Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader thereof
HITACHI MAXELL128 citations98
US6303929B1Oct 16, 2001
Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
HITACHI MAXELL47 citations95
US6458294B2Oct 1, 2002
Fluorescent ink compositions
HITACHI MAXELL17 citations92
US6436314B1Aug 20, 2002
Particulate fluorescent substance
HITACHI MAXELL11 citations81
US6688789B2Feb 10, 2004
Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
HITACHI MAXELL7 citations73
US6471887B2Oct 29, 2002
Neodymium, ytterbium and/or erbium containing organic fluorescent compositions
HITACHI MAXELL4 citations73