AT

Akihiro Tobioka

ST Sandisk Technologies: 12 patents #243 of 2,224Top 15%
WT Western Digital Technologies: 1 patents #1,787 of 3,180Top 60%
📍 Yokkaichi, JP: #273 of 2,072 inventorsTop 15%
Overall (All Time): #332,255 of 4,157,543Top 8%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12408345 Three-dimensional memory device with backside support pillar structures and methods of forming the same Shunsuke TAKUMA, Yuji Totoki, Seiji Shimabukuro, Tatsuya Hinoue, Kengo Kajiwara 2025-09-02
12369319 Three-dimensional memory device containing dual-depth drain-select-level isolation structures and methods for forming the same 2025-07-22
12255154 Three-dimensional memory device with orthogonal memory opening and support opening arrays and method of making thereof Yusuke Tanaka 2025-03-18
12010842 Method of forming a stepped surface in a three-dimensional memory device and structures incorporating the same Akira Yoshida 2024-06-11
11844222 Three-dimensional memory device with backside support pillar structures and methods of forming the same Shunsuke TAKUMA, Yuji Totoki, Seiji Shimabukuro, Tatsuya Hinoue, Kengo Kajiwara 2023-12-12
11749600 Three-dimensional memory device with hybrid staircase structure and methods of forming the same 2023-09-05
11569139 Electrical overlay measurement methods and structures for wafer-to-wafer bonding Ikue Yokomizo, Michiaki Sano, Kazuto Watanabe, Hajime Yamamoto, Takashi Yamaha +5 more 2023-01-31
11495612 Three-dimensional memory device including stairless word line contact structures for and method of making the same Yoshinobu Tanaka, Koichi Ito, Hideaki Hasegawa, Sung-Tae Lee 2022-11-08
11450679 Three-dimensional memory device including stairless word line contact structures for and method of making the same Yoshinobu Tanaka, Koichi Ito, Hideaki Hasegawa, Sung-Tae Lee 2022-09-20
11189637 Three-dimensional memory array including self-aligned dielectric pillar structures and methods of making the same 2021-11-30
10861871 Three-dimensional memory array including self-aligned dielectric pillar structures and methods of making the same 2020-12-08
10274841 Reticle with reduced transmission regions for detecting a defocus condition in a lithography process 2019-04-30
9810916 Reticle with reduced transmission regions for detecting a defocus condition in a lithography process 2017-11-07
9425047 Self-aligned process using variable-fluidity material 2016-08-23