RE

Ryoichi Ehara

ST Sandisk Technologies: 3 patents #751 of 2,224Top 35%
📍 Yokkaichi, JP: #880 of 2,072 inventorsTop 45%
Overall (All Time): #1,431,279 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10971514 Multi-tier three-dimensional memory device with dielectric support pillars and methods for making the same Yoshitaka Otsu, Kei Nozawa, Yashushi Doda, Naoto Hojo, Yoshinobu Tanaka +4 more 2021-04-06
10141331 Three-dimensional memory device containing support pillars underneath a retro-stepped dielectric material and method of making thereof Hiromasa Susuki, Masanori Tsutsumi, Shigehisa Inoue, Junji Oh, Kensuke Yamaguchi +3 more 2018-11-27
9780034 Three-dimensional memory device containing annular etch-stop spacer and method of making thereof Masanori Tsutsumi, Kota Funayama, Youko Furihata, Zhenyu Lu, Tong Zhang +1 more 2017-10-03