Issued Patents All Time
Showing 25 most recent of 219 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12419055 | Semiconductor memory device having a circuit chip bonded to a memory array chip and including a solid-state drive controller and a control circuit | Yoshiaki Fukuzumi, Mie Matsuo, Kenichiro Yoshii, Koichiro Shindo, Kazushige Kawasaki +1 more | 2025-09-16 |
| 12414299 | Nonvolatile semiconductor memory device and manufacturing method thereof | Masaru Kito, Ryota Katsumata, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more | 2025-09-09 |
| 12356622 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2025-07-08 |
| 12317500 | Semiconductor memory device having a contact plug electrically connected to an interconnection through a narrower via | Yoshiaki Fukuzumi | 2025-05-27 |
| RE50330 | Nonvolatile semiconductor memory device and method for driving same | Ryota Katsumata, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh +7 more | 2025-03-04 |
| 12089410 | Semiconductor memory device and method for manufacturing the same | Yoshiaki Fukuzumi, Shinya Arai, Masaki Tsuji, Hiroyasu Tanaka | 2024-09-10 |
| 12058862 | Non-volatile semiconductor storage device and method of manufacturing the same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka +2 more | 2024-08-06 |
| 11903207 | Method for writing data of a first memory cell transistor of a nonvolatile semiconductor memory device | Masaru Kito, Ryota Katsumata, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more | 2024-02-13 |
| 11903205 | Method for reading data of a first memory cell transistor of a nonvolatile semiconductor memory device | Masaru Kito, Ryota Katsumata, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more | 2024-02-13 |
| 11871576 | Semiconductor memory device including integrated control circuit and solid-state drive controller | Yoshiaki Fukuzumi, Mie Matsuo, Kenichiro Yoshii, Koichiro Shindo, Kazushige Kawasaki +1 more | 2024-01-09 |
| 11844218 | Non-volatile semiconductor storage device and method of manufacturing the same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka +2 more | 2023-12-12 |
| 11792992 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2023-10-17 |
| 11744075 | Semiconductor memory device and method for manufacturing the same | Yoshiaki Fukuzumi, Shinya Arai, Masaki Tsuji, Hiroyasu Tanaka | 2023-08-29 |
| 11594547 | Semiconductor device having a pad proximate to a step structure section of an array chip | Yoshiaki Fukuzumi | 2023-02-28 |
| 11574663 | Data latch circuit and semiconductor memory device | Keisuke NAKATSUKA, Tomoya Sanuki, Takashi Maeda, Go Shikata | 2023-02-07 |
| 11574926 | Non-volatile semiconductor storage device and method of manufacturing the same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka +2 more | 2023-02-07 |
| RE49152 | Nonvolatile semiconductor memory device and method for driving same | Ryota Katsumata, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh +7 more | 2022-07-26 |
| 11393840 | Non-volatile semiconductor storage device and method of manufacturing the same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka +2 more | 2022-07-19 |
| 11374021 | Manufacturing method of a nonvolatile semiconductor memory device | Masaru Kito, Ryota Katsumata, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more | 2022-06-28 |
| 11362106 | Manufacturing method of a nonvolatile semiconductor memory device | Masaru Kito, Ryota Katsumata, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more | 2022-06-14 |
| 11296114 | Semiconductor memory device and method for manufacturing the same | Yoshiaki Fukuzumi, Shinya Arai, Masaki Tsuji, Hiroyasu Tanaka | 2022-04-05 |
| 11257842 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2022-02-22 |
| 11063064 | Semiconductor memory device and method for manufacturing the same | Yoshiaki Fukuzumi, Shinya Arai, Masaki Tsuji, Hiroyasu Tanaka | 2021-07-13 |
| 10916559 | Nonvolatile semiconductor memory device and manufacturing method thereof | Masaru Kito, Ryota Katsumata, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more | 2021-02-09 |
| 10892270 | Semiconductor memory device having an array chip bonded to a circuit chip by a bonding metal | Yoshiaki Fukuzumi | 2021-01-12 |