YK

Yuichi Kobayashi

PK Pentel Kabushiki Kaisha: 1 patents #1 of 5Top 20%
Overall (2016): #170,657 of 481,213Top 40%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9365732 Oily ink composition for ballpoint pens Aya Otsubo, Yoshitaka Morimoto, Natsumi Koide 2016-06-14