Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Ryouhei Kirisawa

Toshiba Memory: 1 patents #402 of 967Top 45%
Overall (2019): #288,103 of 560,194Top 55%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10418378 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more 2019-09-17