Teppei Ishikawa has been granted 3 US patents while listed as an inventor at Toho Titanium Co.. The first was granted in 2022 and the most recent in February 2024. Teppei Ishikawa ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Teppei Ishikawa in Chigasaki, JP.