KN

Kousuke Nagashima

PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
📍 Ishioka, JP: #33 of 55 inventorsTop 60%
Overall (All Time): #3,686,235 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5762434 Ball point pen tip and production method thereof Hiroyuki Saito 1998-06-09