Hirofumi Tsujimura has been granted 4 US patents while listed as an inventor at Anritsu. The first was granted in 1998 and the most recent in May 2018. Hirofumi Tsujimura ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hirofumi Tsujimura in Yokohama, JP.