Issued Patents 2025
Showing 1–5 of 5 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 |