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USPTO Patent Rankings Data through Sept 30, 2025
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Suguru NISHIKAWA — 5 Patents in 2021

Kioxia: 3 patents #7 of 271Top 3%
Toshiba Memory: 2 patents #94 of 753Top 15%
Overall (2021): #27,254 of 548,734Top 5%
5 Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11194656 Memory system Shunichi Igahara, Yoshihisa Kojima, Takehiko Amaki 2021-12-07
11099783 Memory system including a non-volatile memory chip and method for performing a read operation on the non-volatile memory chip Marie Grace Izabelle Angeles Sia, Yoshihisa Kojima, Riki Suzuki 2021-08-24
11086718 Memory system Riki Suzuki, Toshikatsu Hida, Yoshihisa Kojima, Takehiko Amaki 2021-08-10
11069413 Memory system and nonvolatile memory Riki Suzuki, Yoshihisa Kojima 2021-07-20
10978165 Memory system and non-volatile semiconductor memory Yoshihisa Kojima, Masanobu Shirakawa 2021-04-13