Issued Patents All Time
Showing 1–25 of 50 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 |
| 11090694 | Testing apparatus | Takao Sueyama, Keiko Kaneda, Michiko Tsumura | 2021-08-17 |
| 10861930 | Semiconductor device | Takao Sueyama, Keiko Kaneda | 2020-12-08 |
| 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 |
| 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 |
| 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 |
| 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 |
| 9933478 | Probe card and having opposite surfaces with different directions and test apparatus including probe card thereof | Takao Sueyama, Keiko Kaneda, Michiko Ego | 2018-04-03 |
| 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 |
| 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 |
| 9064975 | Shift register memory and method of manufacturing the same | Yoshiaki Fukuzumi, Masaru Kito, Kaori Kawasaki, Hideaki Aochi | 2015-06-23 |
| 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, Yosuke Komori, Megumi Ishiduki, Hiroyasu Tanaka +5 more | 2015-05-12 |
| 9025377 | Method of operating semiconductor memory device | Kunihiro Yamada, Hideaki Aochi, Masaru Kito, Yoshiaki Fukuzumi, Ryouhei Kirisawa +2 more | 2015-05-05 |
| 8963230 | Semiconductor storage device and manufacturing method of semiconductor storage device | Takeshi Imamura, Yoshiaki Fukuzumi, Hideaki Aochi, Masaru Kito, Kaori Kawasaki +1 more | 2015-02-24 |
| 8901635 | Semiconductor memory device and method for manufacturing the same | Jun Fujiki, Yoshiaki Fukuzumi, Hideaki Aochi | 2014-12-02 |
| 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 | Ryota Katsumata, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka +6 more | 2014-07-29 |
| 8766351 | Semiconductor storage device and manufacturing method of semiconductor storage device | Takeshi Imamura, Yoshiaki Fukuzumi, Hideaki Aochi, Masaru Kito, Kaori Kawasaki +1 more | 2014-07-01 |