Inventor
KORIKI TADASHI
JP4 patents
Patents
4 patentsUS7600938B2Oct 13, 2009
Refill for correction pen and refill unit
MITSUBISHI PENCIL CO13 citations82
US5957609ASep 28, 1999
Applicator
MITSUBISHI PENCIL CO20 citations79
US6435751B1Aug 20, 2002
Click type writing implement
MITSUBISHI PENCIL CO12 citations72
US7417080B2Aug 26, 2008
Oil-based ink composition and writing instrument using the same
MITSUBISHI PENCIL CO0 citations45