Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8896052 | Nonvolatile semiconductor memory device and method of manufacturing the same | Misako Morota, Masaya Terai, Shigeki Hattori, Koji Asakawa | 2014-11-25 |
| 8890234 | Nonvolatile semiconductor memory device | Masaya Terai, Shigeki Hattori, Koji Asakawa, Tsukasa Tada | 2014-11-18 |
| 8809846 | Organic molecular memories and organic molecules for organic molecular memories | Tsukasa Tada | 2014-08-19 |
| 8633526 | Nonvolatile semiconductor memory device and method for manufacturing same | Shigeki Hattori, Reika Ichihara, Masaya Terai, Tsukasa Tada, Koji Asakawa +4 more | 2014-01-21 |
| 8575587 | Storage device and method of manufacturing the same | Koji Asakawa, Shigeki Hattori, Satoshi Mikoshiba, Reika Ichihara, Masaya Terai | 2013-11-05 |
| 8552537 | Semiconductor device and method for fabricating the same | Tatsuo Shimizu, Satoshi Itoh | 2013-10-08 |
| 8390066 | Semiconductor nanowire memory device | Satoshi Itoh | 2013-03-05 |
| 8014188 | Electric element, switching element, memory element, switching method and memory method | Yumiko Oyasato, Kenji Sano | 2011-09-06 |
| 7732806 | Refractive index variable element | Reiko Yoshimura, Kenji Todori, Ko Yamada, Fumihiko Aiga, Tsukasa Tada | 2010-06-08 |
| 7626910 | Optical information recording medium for holographic recording and method of holographic recording in optical information recording medium | Akiko Hirao, Hisashi Yamada, Kazuki Matsumoto, Katsutaro Ichihara | 2009-12-01 |
| 7359306 | Holographic recording medium | Kazuki Matsumoto, Katsutaro Ichihara, Akiko Hirao | 2008-04-15 |
| 7297449 | Optical recording medium and optical recording apparatus | Takayuki Tsukamoto, Akiko Hirao, Kazuki Matsumoto | 2007-11-20 |
| 7270916 | Recording medium | Katsutaro Ichihara, Akiko Hirao, Kazuki Matsumoto, Naoko Kihara | 2007-09-18 |
| 7060393 | Optical recording medium and optical recording apparatus | Takayuki Tsukamoto, Akiko Hirao, Kazuki Matsumoto | 2006-06-13 |
| 7061852 | Recording apparatus for a holographic recording medium including an alignment laser having a different wavelength from the recording laser | Takayuki Tsukamoto, Kazuki Matsumoto, Akiko Hirao | 2006-06-13 |
| 7006425 | Information recording and/or reproducing method and apparatus for three dimensional optical recording medium | Akiko Hirao, Takayuki Tsukamoto, Yoshinori Honguh, Kazuki Matsumoto | 2006-02-28 |
| 6921624 | Optical recording medium | Akiko Hirao, Kazuki Matsumoto, Takayuki Tsukamoto | 2005-07-26 |
| 6744717 | Optical disk and optical disk drive | Katsutaro Ichihara, Akiko Hirao, Toshihiko Nagase | 2004-06-01 |
| 6606291 | Optical disk and optical disk drive | Katsutaro Ichihara, Akiko Hirao, Toshihiko Nagase | 2003-08-12 |
| 6577591 | Optical recording medium | Akiko Hirao, Kazuki Matsumoto, Takayuki Tsukamoto | 2003-06-10 |
| 6545971 | Information recording/reproducing system for recording/reproducing information in three-dimensional recording medium of a light passing-through type | Takayuki Tsukamoto, Akiko Hirao | 2003-04-08 |
| 6312603 | Solid-liquid countercurrent extraction continuously separating apparatus | — | 2001-11-06 |
| 6187406 | Optical disk and optical disk drive | Katsutaro Ichihara, Akiko Hirao, Toshihiko Nagase | 2001-02-13 |
| 5971276 | Method of reading pattern and optical signal reader | Kenji Sano, Taeko Urano, Mitsunaga Saito, Kenji Todori | 1999-10-26 |
| 5849651 | Reversible thermal recording medium | Satoshi Takayama, Sawako Fujioka, Tetsuo Okuyama, Hirohisa Miyamoto, Masami Sugiuchi | 1998-12-15 |