Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Jo SATO — 7 Patents

STSandisk Technologies: 3 patents #751 of 2,224Top 35%
Tdk: 3 patents #1,522 of 3,796Top 45%
WTWestern Digital Technologies: 1 patents #1,787 of 3,180Top 60%
Overall (All Time): #677,490 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12243668 Ferrite sintered magnet, ferrite particles, bonded magnet, and rotating electrical machine Masashi Ohmura, Junichi Nagaoka, Shogo Muroya, Takuma Abe 2025-03-04
12183493 Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator Junnichi Nagaoka, Hitoshi Taguchi, Yuichi Sugawara 2024-12-31
11810699 Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator Junnichi Nagaoka, Hitoshi Taguchi, Yuichi Sugawara 2023-11-07
11444101 Spacerless source contact layer replacement process and three-dimensional memory device formed by the process Kota Funayama, Tatsuya Hinoue 2022-09-13
11152284 Three-dimensional memory device with a dielectric isolation spacer and methods of forming the same Masanori Tsutsumi, Hisaya Sakai 2021-10-19
11011581 Multi-level loop cut process for a three-dimensional memory device using pitch-doubled metal lines Yuji Takahashi, Wei-Kuo Shih 2021-05-18
10994239 Spiral gas adsorption apparatus and method of using the same Michiaki Sano 2021-05-04