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 |
| 11011225 | Semiconductor storage device | — | 2021-05-18 |
| 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 |
| 10600463 | Magnetic storage device having a memory cell including a magnetoresistive effect element and a selector which includes titanium (Ti), germanium (Ge) and tellurium (Te) | — | 2020-03-24 |
| 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 |
| 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 |
| 9355722 | Method of writing data of a nonvolatile semiconductor memory device including setting and removing operations | — | 2016-05-31 |
| 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 |
| 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 |
| 9196343 | Non-volatile semiconductor memory device | — | 2015-11-24 |
| 9117522 | Nonvolatile semiconductor memory device with a write sequence including a setting and removing operation | — | 2015-08-25 |
| 9076723 | Non-volatile memory device and method for manufacturing same | Masayuki Ichige, Takuya Konno, Kikuko Sugimae | 2015-07-07 |
| 9029934 | Nonvolatile semiconductor memory device including floating gate electrodes formed between control gate electrodes and vertically formed along a semiconductor pillar | Masaru Kito, Masaru Kidoh, Tomoko Fujiwara, Yosuke Komori, Megumi Ishiduki +5 more | 2015-05-12 |
| 8958235 | Semiconductor memory device | — | 2015-02-17 |
| 8767460 | Nonvolatile semiconductor memory device | — | 2014-07-01 |
| 8748971 | Three dimensional nonvolatile semiconductor memory having pillars provided inside an oblate through hole | Hiroyasu Tanaka, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Masaru Kito +5 more | 2014-06-10 |
| 8654586 | Nonvolatile semiconductor memory device | Masaru Kito, Ryota Katsumata, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2014-02-18 |