TK

Tadashi Kono

PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
📍 Ishioka, JP: #33 of 55 inventorsTop 60%
Overall (All Time): #3,843,529 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5087144 Temporary ink storage member and writing instrument using the same Yoshihiro Wada, Kazunori Suzuki, Katsuo Asano 1992-02-11