KK

Keigo Kitazawa

ST Sandisk Technologies: 5 patents #524 of 2,224Top 25%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #789,695 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12432917 Three-dimensional memory device including discrete memory elements and method of making the same Ippei Yasuda, Adarsh Rajashekhar 2025-09-30
11792986 Dual sacrificial material replacement process for a three-dimensional memory device and structure formed by the same Naoto Norizuki, Shunsuke TAKUMA 2023-10-17
11387166 Three-dimensional memory device with variable width contact via structures and methods for making the same 2022-07-12
10580783 Multi-tier three-dimensional memory device containing differential etch rate field oxides and method of making the same Zhixin Cui, Hiroshi Minakata, Yoshiyuki Okura 2020-03-03
10192784 Three-dimensional memory device containing self-aligned contact via structures and methods of manufacturing the same Zhixin Cui, Hiroshi Minakata, Yoshiyuki Okura 2019-01-29
8841724 Semiconductor device and its manufacturing method Kenji Miyakoshi, Shinichiro Wada, Yohei Yanagida, Takayuki Oshima 2014-09-23