Masakuni Samejima has been granted 24 US patents while listed as an inventor at Yazaki. The first was granted in 1990 and the most recent in July 2019. Masakuni Samejima ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Masakuni Samejima in Shizuoka, JP.