Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12394718 | Three-dimensional memory device containing etch-stop structures and self-aligned insulating spacers and method of making the same | Koichi Matsuno | 2025-08-19 |
| 12133388 | Three-dimensional memory device with self-aligned etch stop rings for a source contact layer and method of making the same | Satoshi Shimizu, Koichi Matsuno | 2024-10-29 |
| 11756877 | Three-dimensional memory device with via structures surrounded by perforated dielectric moat structure and methods of making the same | Kazuto OHSAWA, Hisaya Sakai, Yoshitaka Otsu | 2023-09-12 |
| 11444101 | Spacerless source contact layer replacement process and three-dimensional memory device formed by the process | Jo SATO, Tatsuya Hinoue | 2022-09-13 |
| 11367733 | Memory die with source side of three-dimensional memory array bonded to logic die and methods of making the same | Naohiro Hosoda, Masanori Tsutsumi | 2022-06-21 |
| 10658377 | Three-dimensional memory device with reduced etch damage to memory films and methods of making the same | Tomohiro Kubo, Koji Miyata | 2020-05-19 |
| 10600802 | Multi-tier memory device with rounded top part of joint structure and methods of making the same | Tadashi Nakamura | 2020-03-24 |
| 10224240 | Distortion reduction of memory openings in a multi-tier memory device through thermal cycle control | Masayuki Fukai, Takaya Yamanaka, Masaki Tsuji, Akira Matsumura | 2019-03-05 |
| 9978766 | Three-dimensional memory device with electrically isolated support pillar structures and method of making thereof | Naohiro Hosoda, Takeshi Kawamura, Yoko Furihata | 2018-05-22 |
| 9941297 | Vertical resistor in 3D memory device with two-tier stack | Masatoshi Nishikawa, Toru Miwa, Hiroyuki Ogawa | 2018-04-10 |
| 9929174 | Three-dimensional memory device having non-uniform spacing among memory stack structures and method of making thereof | Yuki Mizutani, Hiroyuki Ogawa, Fumiaki Toyama, Masaaki Higashitani, Fumitaka Amano +1 more | 2018-03-27 |
| 9859363 | Self-aligned isolation dielectric structures for a three-dimensional memory device | Zhenyu Lu, Chun-Ming Wang, Jixin Yu, Chenche Huang, Tong Zhang +4 more | 2018-01-02 |
| 9780034 | Three-dimensional memory device containing annular etch-stop spacer and method of making thereof | Masanori Tsutsumi, Ryoichi Ehara, Youko Furihata, Zhenyu Lu, Tong Zhang +1 more | 2017-10-03 |
| 9754963 | Multi-tier memory stack structure containing two types of support pillar structures | Takeshi Kawamura | 2017-09-05 |
| 9691781 | Vertical resistor in 3D memory device with two-tier stack | Masatoshi Nishikawa, Toru Miwa, Hiroyuki Ogawa | 2017-06-27 |
| 9613971 | Select gates with central open areas | Masahiro Yaegashi, Takeshi Kawamura, Dai Iwata | 2017-04-04 |
| 9564540 | Method of manufacturing semiconductor device and semiconductor device | Hiroshi Uozaki, Yasuhiro Takeda, Keiichi Maekawa, Takumi Hasegawa, Yoshiki Maruyama +2 more | 2017-02-07 |
| 9443991 | Semiconductor device and method of manufacturing the same | Hiraku Chakihara, Yasushi Ishii | 2016-09-13 |
| 9379127 | Semiconductor device and manufacturing method of semiconductor device | Koichi Toba, Yasushi Ishii, Hiraku Chakihara, Yoshiyuki Kawashima, Takashi Hashimoto | 2016-06-28 |
| 9356110 | Semiconductor device and manufacturing method thereof | Masao Inoue, Yoshiki Maruyama, Akio Nishida, Yorinobu Kunimune | 2016-05-31 |
| 9324883 | Semiconductor device and method of manufacturing the same | Hiraku Chakihara, Yasushi Ishii | 2016-04-26 |
| 9093319 | Semiconductor device and manufacturing method thereof | Hiraku Chakihara, Yasushi Ishii | 2015-07-28 |
| 9093546 | Method of manufacturing semiconductor device and semiconductor device | Hiroshi Uozaki, Yasuhiro Takeda, Keiichi Maekawa, Takumi Hasegawa, Yoshiki Maruyama +2 more | 2015-07-28 |
| 8969943 | Semiconductor device and manufacturing method of semiconductor device | Koichi Toba, Yasushi Ishii, Hiraku Chakihara, Yoshiyuki Kawashima, Takashi Hashimoto | 2015-03-03 |
| 8853036 | Semiconductor device and method of manufacturing the same | Hiraku Chakihara, Yasushi Ishii | 2014-10-07 |