Ryuji Shingyoji has been granted 12 US patents while listed as an inventor at Casio Computer Co.. The first was granted in 2012 and the most recent in November 2025. Ryuji Shingyoji ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Ryuji Shingyoji in Ome, JP.