KT

Kanpei Takefuji

📍 Shibuya, JP: #88 of 166 inventorsTop 55%
Overall (All Time): #3,911,858 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D310678 Key unit for a keyboard musical instrument Ritsuko Takefuji 1990-09-18