Toshikazu Iida has been granted 3 US patents while listed as an inventor at Rubycon. The first was granted in 1994 and the most recent in February 2010. Toshikazu Iida ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Toshikazu Iida in Yokohama, JP.