Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9006793 | Non-volatile memory cell, non-volatile memory cell array, and method of manufacturing the same | Takeshi Takagi, Mitsuteru Iijima | 2015-04-14 |
| 9006698 | Variable resistance element and method of manufacturing the same | Takeshi Takagi, Satoru Mitani, Yoshio Kawashima, Ichirou Takahashi | 2015-04-14 |
| 8957399 | Nonvolatile memory element and nonvolatile memory device | Takeshi Takagi, Koji Katayama | 2015-02-17 |
| 8854864 | Nonvolatile memory element and nonvolatile memory device | Takeki Ninomiya, Takeshi Takagi | 2014-10-07 |
| 8710484 | Method for manufacturing non-volatile memory device, non-volatile memory element, and non-volatile memory device | Takeshi Takagi, Mitsuteru Iijima | 2014-04-29 |
| 8565005 | Nonvolatile memory element and nonvolatile memory device | Takeshi Takagi, Takeki Ninomiya, Shunsaku Muraoka, Yoshihiko Kanzawa | 2013-10-22 |
| 8471235 | Nonvolatile memory element having a resistance variable layer and manufacturing method thereof | Yoshio Kawashima, Takumi Mikawa, Atsushi Himeno | 2013-06-25 |
| 8445885 | Nonvolatile memory element having a thin platinum containing electrode | Yoshihiko Kanzawa, Satoru Mitani, Takeshi Takagi, Koji Katayama | 2013-05-21 |
| 8405076 | Nonvolatile memory element | Takeki Ninomiya, Takeshi Takagi | 2013-03-26 |
| 8338816 | Nonvolatile memory element, and nonvolatile semiconductor device using the nonvolatile memory element | Yoshihiko Kanzawa, Shunsaku Muraoka, Satoru Mitani, Takeshi Takagi | 2012-12-25 |
| 8339835 | Nonvolatile memory element and semiconductor memory device including nonvolatile memory element | Takeshi Takagi, Mitsuteru Iijima | 2012-12-25 |
| 8320159 | Resistance variable nonvolatile memory device | Ryotaro Azuma, Takeshi Takagi, Mitsuteru Iijima, Yoshihiko Kanzawa | 2012-11-27 |
| 8279657 | Nonvolatile memory element and nonvolatile memory device | Takeshi Takagi, Takeki Ninomiya, Shunsaku Muraoka, Yoshihiko Kanzawa | 2012-10-02 |
| 8179713 | Nonvolatile memory element, nonvolatile memory device, and nonvolatile semiconductor device | Yoshihiko Kanzawa, Satoru Mitani, Takeshi Takagi | 2012-05-15 |
| 8094482 | Nonvolatile memory apparatus and nonvolatile data storage medium | Takeshi Takagi, Ken Kawai, Kazuhiko Shimakawa | 2012-01-10 |
| 8013711 | Variable resistance element, semiconductor device, and method for manufacturing variable resistance element | Takumi Mikawa, Takeshi Takagi, Yoshio Kawashima | 2011-09-06 |
| 7920402 | Resistance variable memory apparatus | Yoshikazu Katoh, Kazuhiko Shimakawa | 2011-04-05 |
| 7919774 | Nonvolatile memory element, nonvolatile memory apparatus, and method of manufacture thereof | Yoshio Kawashima, Takeshi Takagi, Takumi Mikawa | 2011-04-05 |
| 7916516 | Nonvolatile memory apparatus and method for writing data in nonvolatile memory apparatus | Kazuhiko Shimakawa, Takeshi Takagi, Yoshikazu Katoh | 2011-03-29 |
| 7692178 | Nonvolatile memory element, nonvolatile memory apparatus, and method of manufacture thereof | Yoshio Kawashima, Takeshi Takagi, Takumi Mikawa | 2010-04-06 |
| 6803702 | Piezoelectric element and method of manufacturing same | Hong Qiu, Koji Sumi, Tsutomu Nishiwaki, Masanori Okuyama | 2004-10-12 |
| 6419849 | Method for manufacturing piezoelectric material | Hong Qiu, Koji Sumi, Tsutomu Nishiwaki, Masanori Okuyama | 2002-07-16 |