YM

Yasumasa Morio

KK Kabushiki Kaisha Sakura Kurepasu: 1 patents #9 of 10Top 90%
SP Sakura Color Products: 1 patents #65 of 115Top 60%
Overall (All Time): #2,360,009 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4478529 Writing implement with automatic lead projection — 1984-10-23
4217060 Synthetic resin nib Kouzaburo Ikegami, Hitoshi Sakai 1980-08-12