Ryuichiro Abe has been granted 8 US patents while listed as an inventor at Denso. The first was granted in 2008 and the most recent in January 2021. Ryuichiro Abe ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Ryuichiro Abe in Ichinomiya, JP.