HK

Hidehei Kageyama

KC Kotobuki & Co.: 1 patents #2 of 7Top 30%
Overall (2020): #450,366 of 565,922Top 80%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D895729 Mechanical pencil Takeshi Wakayama 2020-09-08