HK

Hidehei Kageyama

KC Kotobuki & Co.: 1 patents #7 of 9Top 80%
Overall (1997): #142,002 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5702193 Side knock type mechanical pencil Tomiji Ueki, Yoshihide Mitsuya 1997-12-30