Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| RE50330 | Nonvolatile semiconductor memory device and method for driving same | Ryota Katsumata, Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi +7 more | 2025-03-04 |
| 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 |
| RE49152 | Nonvolatile semiconductor memory device and method for driving same | Ryota Katsumata, Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi +7 more | 2022-07-26 |
| 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 |
| RE48191 | Nonvolatile semiconductor memory device and method for driving same | Ryota Katsumata, Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi +7 more | 2020-09-01 |
| 10658383 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2020-05-19 |
| RE47815 | Nonvolatile semiconductor memory device | Ryouhei Kirisawa, Masaru Kito, Shigeto Oota | 2020-01-14 |
| 10418378 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2019-09-17 |
| 10121797 | Semiconductor memory device | Shigeki Kobayashi, Satoshi Konagai, Atsushi Konno, Kenta Yamada, Masaaki Higuchi +2 more | 2018-11-06 |
| RE46957 | Nonvolatile semiconductor memory device | Ryouhei Kirisawa, Masaru Kito, Shigeto Oota | 2018-07-17 |
| RE46809 | Nonvolatile semiconductor memory device | Ryouhei Kirisawa, Masaru Kito, Shigeto Oota | 2018-04-24 |
| RE46785 | Nonvolatile semiconductor memory device and method for driving same | Ryota Katsumata, Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi +7 more | 2018-04-10 |
| 9941296 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2018-04-10 |
| 9601503 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2017-03-21 |
| 9379130 | Nonvolatile semiconductor memory device | — | 2016-06-28 |
| 9318503 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2016-04-19 |
| RE45972 | Nonvolatile semiconductor memory device | Ryouhei Kirisawa, Masaru Kito, Shigeto Oota | 2016-04-12 |
| 9312134 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2016-04-12 |
| RE45840 | Nonvolatile semiconductor memory device and method for driving same | Ryota Katsumata, Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi +7 more | 2016-01-12 |
| 9025377 | Method of operating semiconductor memory device | Kunihiro Yamada, Hideaki Aochi, Masaru Kito, Tomoko Fujiwara, Yoshiaki Fukuzumi +2 more | 2015-05-05 |
| 8884355 | Nonvolatile semiconductor memory device and method for manufacturing same | Yosuke Komori, Hideaki Aochi, Ryota Katsumata, Masaru Kito, Yoshiaki Fukuzumi +6 more | 2014-11-11 |
| 8791464 | Nonvolatile semiconductor memory device and method for manufacturing same | Tomoko Fujiwara, Ryota Katsumata, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh +6 more | 2014-07-29 |
| 8759897 | Nonvolatile semiconductor memory device | Shigeto Oota, Masaru Kito, Ryouhei Kirisawa | 2014-06-24 |
| 8654586 | Nonvolatile semiconductor memory device | Masaru Kito, Ryota Katsumata, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2014-02-18 |