Inventor

KOMIYA MOTOHIRO

JP3 patents

Patents

3 patents

US5829904ANov 3, 1998

Writing implement ink conducting core

MITSUBISHI PENCIL CO18 citations82

US6340262B1Jan 22, 2002

Writing implement with an ink collector

MITSUBISHI PENCIL CO8 citations71

US5282893AFeb 1, 1994

Ethanol type marking ink composition

MITSUBISHI PENCIL CO7 citations68