Issued Patents All Time
Showing 25 most recent of 201 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12376308 | Semiconductor memory device | Keiji Hosotani, Hiroaki KOSAKO, Takayuki KAKEGAWA, Shinya Naito, Ryo FUKUOKA +1 more | 2025-07-29 |
| 12272644 | Semiconductor memory device | Kouji Matsuo | 2025-04-08 |
| 12127391 | Semiconductor memory device | Teruhisa SONOHARA, Shunichi SENO, Hiroki TOKUHIRA | 2024-10-22 |
| 11984394 | Semiconductor memory device having contact plugs extend in the stacking direction of the plurality of the first and second conductive layers | Keisuke NAKATSUKA, Yasuhito Yoshimizu, Tomoya Sanuki | 2024-05-14 |
| 11937437 | Semiconductor memory and method of manufacturing the same | Masahiro Kiyotoshi, Akihito Yamamoto, Yoshio Ozawa, Riichiro Shirota | 2024-03-19 |
| 11889689 | Semiconductor memory device | Satoshi Nagashima | 2024-01-30 |
| 11849580 | Memory device and method of controlling memory device | — | 2023-12-19 |
| 11778808 | Semiconductor memory device | Teruhisa SONOHARA, Shunichi SENO, Hiroki TOKUHIRA | 2023-10-03 |
| 11665908 | Semiconductor memory device incorporating hafnium oxide insulative portions | Haruka SAKUMA, Hidenori Miyagawa, Shosuke Fujii, Kiwamu Sakuma, Kunifumi Suzuki | 2023-05-30 |
| 11610910 | Semiconductor memory device | Daisuke Hagishima, Keiji Hosotani, Masaki Kondo | 2023-03-21 |
| 11374015 | Semiconductor memory device | Wataru Sakamoto, Ryota Suzuki, Tatsuya Okamoto, Tatsuya Kato | 2022-06-28 |
| 11257832 | Semiconductor memory device and method for manufacturing same | Tatsuya Kato, Katsuyuki Sekine, Toshiyuki Iwamoto, Yuta Watanabe, Wataru Sakamoto +1 more | 2022-02-22 |
| 11227832 | Semiconductor memory device having a memory cell and semiconductor layer | Keiji Hosotani, Keisuke NAKATSUKA, Nobuyuki Momo, Motohiko FUJIMATSU | 2022-01-18 |
| 11183507 | Semiconductor memory device and method for manufacturing same | Katsuyuki Sekine, Tatsuya Kato, Toshiyuki Iwamoto, Yuta Watanabe, Wataru Sakamoto +2 more | 2021-11-23 |
| 11152385 | Stacked type semiconductor memory device and method for manufacturing the same | Tatsuya Kato, Wataru Sakamoto | 2021-10-19 |
| 11107508 | Semiconductor memory device | Keiji Hosotani, Keisuke NAKATSUKA | 2021-08-31 |
| 11101325 | Semiconductor memory and method of manufacturing the same | Masahiro Kiyotoshi, Akihito Yamamoto, Yoshio Ozawa, Riichiro Shirota | 2021-08-24 |
| 11074944 | Semiconductor memory device | Keiji Hosotani, Nobuyuki Momo | 2021-07-27 |
| 11018148 | Semiconductor memory device and method for manufacturing same | Yuta Watanabe, Katsuyuki Sekine, Toshiyuki Iwamoto, Wataru Sakamoto, Tatsuya Kato | 2021-05-25 |
| 11011541 | Semiconductor memory device in which memory cells are three-dimensionally arrange | Keisuke NAKATSUKA | 2021-05-18 |
| 10991713 | Semiconductor memory device | Satoshi Nagashima, Keisuke NAKATSUKA, Shinya Arai, Yasuhiro Uchiyama | 2021-04-27 |
| 10879261 | Semiconductor memory with stacked memory pillars | Satoshi Nagashima | 2020-12-29 |
| 10868037 | Non-volatile semiconductor memory device | Masakazu GOTO, Masaki Kondo, Keiji Hosotani, Nobuyuki Momo | 2020-12-15 |
| 10833103 | Semiconductor memory device | Haruka SAKUMA, Hidenori Miyagawa, Shosuke Fujii, Kiwamu Sakuma | 2020-11-10 |
| 10763272 | Semiconductor memory device | Wataru Sakamoto, Ryota Suzuki, Tatsuya Okamoto, Tatsuya Kato | 2020-09-01 |