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

Masao Ishikawa

Toshiba Memory: 1 patents #395 of 956Top 45%
Chiba, NY: #1 of 2 inventorsTop 50%
Overall (2018): #319,715 of 503,207Top 65%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9899278 Semiconductor manufacturing apparatus and semiconductor manufacturing method 2018-02-20