Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ippei Yasuda — 5 Patents

STSandisk Technologies: 5 patents #524 of 2,224Top 25%
Yokkaichi, JP: #645 of 2,072 inventorsTop 35%
Overall (All Time): #920,588 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12432917 Three-dimensional memory device including discrete memory elements and method of making the same Keigo Kitazawa, Adarsh Rajashekhar 2025-09-30
11227663 Boosting read scheme with back-gate bias Kiyohiko Sakakibara, Ken Oowada, Masaaki Higashitani 2022-01-18
11114462 Three-dimensional memory device with composite charge storage structures and methods for forming the same Zhixin Cui 2021-09-07
10957401 Boosting read scheme with back-gate bias Kiyohiko Sakakibara, Ken Oowada, Masaaki Higashitani 2021-03-23
10950311 Boosting read scheme with back-gate bias Kiyohiko Sakakibara, Ken Oowada, Masaaki Higashitani 2021-03-16