Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12354955 | Three-dimensional memory device with high contact via density and methods of forming the same | Tomohiro Kubo, Shiqian Shao, Fumiaki Toyama | 2025-07-08 |
| 12347492 | Three-dimensional memory device with high contact via density and methods of forming the same | Tomohiro Kubo, Shiqian Shao, Fumiaki Toyama | 2025-07-01 |
| 11398488 | Three-dimensional memory device including through-memory-level via structures and methods of making the same | Takaaki Iwai, Yoshitaka Otsu | 2022-07-26 |
| 11367736 | Through-stack contact via structures for a three-dimensional memory device and methods of forming the same | Takayuki MAEKURA, Romain Mentek | 2022-06-21 |
| 11355506 | Through-stack contact via structures for a three-dimensional memory device and methods of forming the same | Takayuki MAEKURA, Romain Mentek | 2022-06-07 |
| 11342245 | Through-stack contact via structures for a three-dimensional memory device and methods of forming the same | Zhixin Cui | 2022-05-24 |
| 11139237 | Three-dimensional memory device containing horizontal and vertical word line interconnections and methods of forming the same | Shiqian Shao, Jee-Yeon Kim, Fumiaki Toyama | 2021-10-05 |
| 11133252 | Three-dimensional memory device containing horizontal and vertical word line interconnections and methods of forming the same | Koichi Ito, Yoshinobu Tanaka | 2021-09-28 |
| 11114459 | Three-dimensional memory device containing width-modulated connection strips and methods of forming the same | Takaaki Iwai, Yoshitaka Otsu, Fumiaki Toyama, Yuki Mizutani | 2021-09-07 |
| 10872857 | Three-dimensional memory device containing through-array contact via structures between dielectric barrier walls and methods of making the same | Yoshitaka Otsu, Kei Nozawa, Naoto Hojo, Eiji Hayashi, Masanori Terahara | 2020-12-22 |
| 10090399 | Semiconductor device and a manufacturing method thereof | Tamotsu Ogata | 2018-10-02 |
| 9831259 | Semiconductor device | Hiromasa Yoshimori | 2017-11-28 |
| 9831318 | Semiconductor device and a manufacturing method thereof | Tamotsu Ogata | 2017-11-28 |
| 9553024 | Method of manufacturing semiconductor device | — | 2017-01-24 |
| 9460929 | Method of manufacturing semiconductor device | Hiromasa Yoshimori | 2016-10-04 |
| 9431498 | Semiconductor device including first and second MISFETs | — | 2016-08-30 |
| 9236310 | Method of manufacturing a semiconductor device | — | 2016-01-12 |
| 9013915 | Semiconductor device and method of manufacturing the same | — | 2015-04-21 |