KN

Kengo Nagaoka

ML Mitsubishi Pencil Company, Limited: 2 patents #127 of 302Top 45%
Overall (All Time): #2,046,525 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 Masayoshi Kiritake, Nobuaki Shimane 2014-03-25
8162554 Writing implement Kazuhiko Furukawa, Masanobu Kiritake 2012-04-24