Issued Patents All Time
Showing 25 most recent of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11933752 | Gas sensor and fuel cell vehicle | Zhiqiang Wei, Kazunari Homma, Shinichi Yoneda, Yasuhisa Naito, Hisashi Shima +1 more | 2024-03-19 |
| 11889776 | Variable resistance non-volatile memory element and variable resistance non-volatile memory device using the element | Ryutaro YASUHARA, Takumi Mikawa, Atsushi Himeno, Kengo Nishio, Takehide Miyazaki +3 more | 2024-01-30 |
| 10656114 | Gas sensor device including gas sensors and switches, gas sensor module, and gas detection method | Zhiqiang Wei, Kazunari Homma, Koji Katayama | 2020-05-19 |
| 10591432 | Hydrogen detection method using gas sensor having a metal oxide layer | Zhiqiang Wei, Kazunari Homma | 2020-03-17 |
| 10408779 | Gas sensor including metal oxide layer and hydrogen detection method using gas sensor | Zhiqiang Wei, Kazunari Homma | 2019-09-10 |
| 10309916 | Gas-detecting apparatus including gas sensor and method of detecting hydrogen using gas sensor | Shunsaku Muraoka, Kazunari Homma, Zhiqiang Wei | 2019-06-04 |
| 10156536 | Gas sensor including detection cells, and method for determining hydrogen concentration | Kazunari Homma, Zhiqiang Wei | 2018-12-18 |
| 9606653 | Information processing apparatus | — | 2017-03-28 |
| 9252189 | Nonvolatile semiconductor memory element, nonvolatile semiconductor memory device, and method for manufacturing nonvolatile semiconductor memory device | Kiyotaka Tsuji, Takumi Mikawa | 2016-02-02 |
| 9236381 | Nonvolatile memory element, nonvolatile memory apparatus, nonvolatile semiconductor apparatus, and method of manufacturing nonvolatile memory element | Takeshi Takagi, Shunsaku Muraoka, Koichi Osano, Kazuhiko Shimakawa | 2016-01-12 |
| 9142765 | Manufacturing method of non-volatile memory element, non-volatile memory element, and non-volatile memory device | Shinichi Yoneda, Satoru Ito | 2015-09-22 |
| 9082971 | Nonvolatile memory device and method for manufacturing the same | Takumi Mikawa | 2015-07-14 |
| 9012294 | Manufacturing method of non-volatile memory device | Takumi Mikawa, Haruyuki Sorada | 2015-04-21 |
| 8999808 | Nonvolatile memory element and method for manufacturing the same | Takumi Mikawa | 2015-04-07 |
| 8981333 | Nonvolatile semiconductor memory device and method of manufacturing the same | Satoru Ito, Takumi Mikawa | 2015-03-17 |
| 8830730 | Variable resistance nonvolatile storage device and method of forming memory cell | Shunsaku Muraoka, Yoshihiko Kanzawa, Satoru Mitani, Koji Katayama, Kazuhiko Shimakawa +1 more | 2014-09-09 |
| 8779406 | Nonvolatile memory element and method for manufacturing the same | Satoru Ito, Shinichi Yoneda, Takumi Mikawa | 2014-07-15 |
| 8553444 | Variable resistance nonvolatile storage device and method of forming memory cell | Shunsaku Muraoka, Yoshihiko Kanzawa, Satoru Mitani, Koji Katayama, Kazuhiko Shimakawa +1 more | 2013-10-08 |
| 8492875 | Nonvolatile memory element having a tantalum oxide variable resistance layer | Koichi Osano, Shunsaku Muraoka | 2013-07-23 |
| 8450182 | Method of manufacturing non-volatile semiconductor memory element and method of manufacturing non-volatile semiconductor memory device | Takumi Mikawa | 2013-05-28 |
| 8445319 | Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using the nonvolatile memory element | Yoshihiko Kanzawa, Koji Katayama, Shunsaku Muraoka, Koichi Osano, Satoru Mitani +3 more | 2013-05-21 |
| 8445886 | Nonvolatile memory element, nonvolatile memory device, nonvolatile semiconductor device, and method of manufacturing nonvolatile memory element | Koji Arita, Satoru Mitani, Takumi Mikawa | 2013-05-21 |
| 8441060 | Nonvolatile memory element and nonvolatile memory device incorporating nonvolatile memory element | Takeki Ninomiya, Koji Arita, Takumi Mikawa | 2013-05-14 |
| 8309946 | Resistance variable element | Satoru Mitani, Shunsaku Muraoka, Yoshihiko Kanzawa, Koji Katayama, Ryoko Miyanaga +1 more | 2012-11-13 |
| 8217489 | Nonvolatile memory element having a tantalum oxide variable resistance layer | Koichi Osano, Shunsaku Muraoka | 2012-07-10 |