HK

Hirotoshi Kakuta

JS Jsp: 1 patents #3 of 11Top 30%
📍 Tochigi, JP: #71 of 252 inventorsTop 30%
Overall (2003): #212,478 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6543573 Speaker unit, speaker system, and speaker diaphragm manufacturing method Yoshihisa Ishihara, Takeshi Aoki, Satoshi Iwasaki 2003-04-08