HO

Hiroshi Otsu

AC Aica Kogyo Co.: 2 patents #7 of 65Top 15%
KC Kohjin Co.: 2 patents #15 of 109Top 15%
📍 Ebeye: #1,994 of 4,528 inventorsTop 45%
Overall (All Time): #2,277,376 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5500259 Artificial granite solid material Yoshikazu Kubota, Masayasu Kamijo, Takashi Kamiya 1996-03-19
5338584 Artificial granite solid material Yoshikazu Kubota, Masayasu Kamijo, Takashi Kamiya 1994-08-16