HT

Hideaki Toomi

ML Mitsubishi Pencil Company, Limited: 1 patents #181 of 302Top 60%
Overall (All Time): #3,180,526 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8562235 Ink composition for aqueous ink ball point pen and aqueous ink ball point pen Masanao Yano, Takeshi Hayakawa, Syuji Ichikawa 2013-10-22