MK

Masayoshi Kiritake

ML Mitsubishi Pencil Company, Limited: 2 patents #127 of 302Top 45%
Overall (All Time): #2,046,526 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8678691 Writing implement Nobuaki Shimane, Kengo Nagaoka 2014-03-25
6234619 Ink cartridge — 2001-05-22