YN

Yoichi Nakazato

KC Kotobuki & Co.: 2 patents #3 of 9Top 35%
📍 Kawagoe, JP: #12 of 124 inventorsTop 10%
Overall (1989): #12,361 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4884910 Mechanical pencil Hidehei Kageyama, Yoshihide Mitsuya 1989-12-05
4872776 Lead chuck of mechanical pencil Hidehei Kageyama, Yoshihide Mitsuya 1989-10-10