Inventor

YANO MASANAO

JP3 patents

⚠️ This page may combine multiple inventors who share the name “YANO MASANAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI PENCIL CO

2 patents

US5702512ADec 30, 1997

Oil ink composition

MITSUBISHI PENCIL CO10 citations61

US7417080B2Aug 26, 2008

Oil-based ink composition and writing instrument using the same

MITSUBISHI PENCIL CO0 citations45

TOOMI HIDEAKI

1 patent

US8562235B2Oct 22, 2013

Ink composition for aqueous ink ball point pen and aqueous ink ball point pen

TOOMI HIDEAKI0 citations36