Toshiaki Ono has been granted 95 US patents while listed as an inventor at Sumco. The first was granted in 1986 and the most recent in April 2025. Toshiaki Ono ranks #16,077 of 4,157,543 US inventors in our database (top 0.39%). Patent records list Toshiaki Ono in Yokohama, CA, JP.