Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 8653582 | Nonvolatile semiconductor memory device and method for manufacturing same | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2014-02-18 |
| 8654586 | Nonvolatile semiconductor memory device | Masaru Kito, Ryota Katsumata, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2014-02-18 |
| 8598643 | Nonvolatile semiconductor memory device and method of manufacturing the same | Kaori Kawasaki, Yoshiaki Fukuzumi, Masaru Kito, Tomoko Fujiwara, Takeshi Imamura +1 more | 2013-12-03 |
| 8581326 | Nonvolatile semiconductor memory device and manufacturing method thereof | Shigeto Oota, Yoshimasa Mikajiri | 2013-11-12 |
| 8541866 | Nonvolatile semiconductor memory device and method for manufacturing same | Ryota Katsumata, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka +5 more | 2013-09-24 |
| 8507972 | Nonvolatile semiconductor memory device | Shigeto Oota, Yoshimasa Mikajiri, Masaru Kito | 2013-08-13 |
| 8440528 | Method for manufacturing a vertical nonvolatile semiconductor memory device including forming floating gates within the recesses created on the interlayer insulating films | Masaru Kito, Masaru Kidoh, Tomoko Fujiwara, Yosuke Komori, Megumi Ishiduki +5 more | 2013-05-14 |
| 8436415 | Nonvolatile semiconductor memory device and method of manufacturing the same | Masaru Kidoh, Ryota Katsumata, Masaru Kito, Yoshiaki Fukuzumi, Hiroyasu Tanaka +6 more | 2013-05-07 |
| 8436414 | Non-volatile semiconductor stacked memory device having two semiconductor pillars in a through hole and method for manufacturing same | Hiroyasu Tanaka, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Masaru Kito +5 more | 2013-05-07 |
| 8374033 | Nonvolatile semiconductor memory device | Masaru Kito, Ryota Katsumata, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka +7 more | 2013-02-12 |
| 8361862 | Method for manufacturing nonvolatile semiconductor memory device and nonvolatile semiconductor memory device | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +5 more | 2013-01-29 |
| 8351277 | Method for operating semiconductor memory device | Yoshimasa Mikajiri, Shigeto Oota, Masaru Kito | 2013-01-08 |
| 8320182 | Nonvolatile semiconductor memory device | Masaru Kito, Shigeto Oota, Yoshimasa Mikajiri | 2012-11-27 |
| 8294191 | Multi-layer memory device including vertical and U-shape charge storage regions | Ryota Katsumata, Hideaki Aochi, Masaru Kito, Masaru Kidoh | 2012-10-23 |
| 8264031 | Nonvolatile semiconductor memory device and method for manufacturing same | Masaru Kidoh, Hiroyasu Tanaka, Tomoko Fujiwara, Megumi Ishiduki, Yosuke Komori +5 more | 2012-09-11 |
| 8228737 | Nonvolatile semiconductor memory | — | 2012-07-24 |
| 8218358 | Nonvolatile semiconductor memory device and method for driving same | Ryota Katsumata, Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi +7 more | 2012-07-10 |
| 8199573 | Nonvolatile semiconductor memory device | Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +6 more | 2012-06-12 |
| 8194467 | Nonvolatile semiconductor memory device | Yoshimasa Mikajiri, Masaru Kito, Shigeto Oota | 2012-06-05 |
| 8189371 | Nonvolatile semiconductor memory device and method for driving same | Ryota Katsumata, Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi +7 more | 2012-05-29 |
| 8188530 | Nonvolatile semiconductor memory device and method for manufacturing same | Hiroyasu Tanaka, Ryota Katsumata, Hideaki Aochi, Masaru Kito, Yoshiaki Fukuzumi +7 more | 2012-05-29 |
| 8178919 | Nonvolatile semiconductor memory device and method for manufacturing same | Tomoko Fujiwara, Ryota Katsumata, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh +7 more | 2012-05-15 |
| 8169049 | Semiconductor device with fuse portion | — | 2012-05-01 |
| 8169826 | Nonvolatile semiconductor memory device | Tomoo Hishida, Yoshihisa Iwata, Megumi Ishiduki, Ryota Katsumata, Yoshiaki Fukuzumi +9 more | 2012-05-01 |