Hideharu Ishihara has been granted 4 US patents while listed as an inventor at Denso. The first was granted in 2003 and the most recent in February 2007. Hideharu Ishihara ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hideharu Ishihara in Gifu, JP.