Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9236381 | Nonvolatile memory element, nonvolatile memory apparatus, nonvolatile semiconductor apparatus, and method of manufacturing nonvolatile memory element | Satoru Fujii, Takeshi Takagi, Shunsaku Muraoka, Kazuhiko Shimakawa | 2016-01-12 |
| 8492875 | Nonvolatile memory element having a tantalum oxide variable resistance layer | Satoru Fujii, Shunsaku Muraoka | 2013-07-23 |
| 8445319 | Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using the nonvolatile memory element | Yoshihiko Kanzawa, Koji Katayama, Satoru Fujii, Shunsaku Muraoka, Satoru Mitani +3 more | 2013-05-21 |
| 8263961 | Thin film memory device having a variable resistance | Shunsaku Muraoka, Hiroshi Sakakima | 2012-09-11 |
| 8217489 | Nonvolatile memory element having a tantalum oxide variable resistance layer | Satoru Fujii, Shunsaku Muraoka | 2012-07-10 |
| 8058636 | Variable resistance nonvolatile memory apparatus | Satoru Fujii, Shunsaku Muraoka | 2011-11-15 |
| 8022502 | Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using the nonvolatile memory element | Yoshihiko Kanzawa, Koji Katayama, Satoru Fujii, Shunsaku Muraoka, Satoru Mitani +3 more | 2011-09-20 |
| 8018760 | Resistance variable element and resistance variable memory apparatus | Shunsaku Muraoka, Satoru Fujii | 2011-09-13 |
| 8018761 | Resistance variable element, resistance variable memory apparatus, and resistance variable apparatus | Shunsaku Muraoka, Satoru Fujii | 2011-09-13 |
| 7964869 | Memory element, memory apparatus, and semiconductor integrated circuit | Shunsaku Muraoka, Satoru Fujii, Satoru Mitani | 2011-06-21 |
| 7965539 | Nonvolatile memory element, nonvolatile semiconductor memory apparatus, and reading method and writing method therefor | Shunsaku Muraoka, Satoru Fujii, Kazuhiko Shimakawa | 2011-06-21 |
| 7948789 | Resistance variable element, nonvolatile switching element, and resistance variable memory apparatus | Shunsaku Muraoka, Satoru Fujii | 2011-05-24 |
| 7855910 | Electric element, memory device, and semiconductor integrated circuit | Satoru Mitani, Shunsaku Muraoka, Kumio Nago | 2010-12-21 |
| 7826247 | Method for initializing resistance-variable material, memory device containing a resistance-variable material, and method for initializing nonvolatile memory circuit including variable resistor | Shunsaku Muraoka, Ken Takahashi, Masafumi Shimotashiro | 2010-11-02 |
| 7786548 | Electric element, memory device, and semiconductor integrated circuit | Shunsaku Muraoka, Satoru Mitani, Kumio Nago | 2010-08-31 |
| 7787280 | Electric element, memory device, and semiconductor integrated circuit | Satoru Mitani, Shunsaku Muraoka, Kumio Nago | 2010-08-31 |
| 7714311 | Memory device, memory circuit and semiconductor integrated circuit having variable resistance | Shunsaku Muraoka, Ken Takahashi, Masafumi Shimotashiro | 2010-05-11 |
| 7577022 | Electric element, memory device, and semiconductor integrated circuit formed using a state-variable material whose resistance value varies according to an applied pulse voltage | Shunsaku Muraoka, Satoru Mitani, Hiroshi Seki | 2009-08-18 |
| 7525832 | Memory device and semiconductor integrated circuit | Shunsaku Muraoka, Satoru Mitani, Hiroshi Seki | 2009-04-28 |
| 7463506 | Memory device, memory circuit and semiconductor integrated circuit having variable resistance | Shunsaku Muraoka, Ken Takahashi, Masafumi Shimotashiro | 2008-12-09 |
| 7369431 | Method for initializing resistance-variable material, memory device containing a resistance-variable material, and method for initializing nonvolatile memory circuit including variable resistor | Shunsaku Muraoka, Ken Takahashi, Masafumi Shimotashiro | 2008-05-06 |
| 7304822 | Magnetic head with multilayer film including metal magnetic films and non-magnetic films and magnetic recording/reproducing device | Akinaga Natsui, Shunsaku Muraoka, Noboru Itoh, Syouzou NINOMIYA, Kenji Hasegawa | 2007-12-04 |
| 6735047 | Magnetic head and magnetic recording/reproducing apparatus | Kenji Hasegawa, Shunsaku Muraoka, Akinaga Natsui, Ken Takahashi | 2004-05-11 |
| 6588092 | Method for producing a magnetic head, the magnetic head including a pair of magnetic core halves | Nozomu Matsukawa, Masayoshi Hiramoto, Hiroshi Sakakima, Eisuke Sawai | 2003-07-08 |
| 6433958 | Magnetic head, method for producing the same, video recording and reproduction apparatus including the magnetic head, and video camera including the magnetic head | Nozomu Matsukawa, Masayoshi Hiramoto, Hiroshi Sakakima, Eisuke Sawai | 2002-08-13 |