Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8334525 | Nonvolatile semiconductor memory device including a variable resistance layer including carbon | Hiroyuki Fukumizu, Yasuhiro Nojiri, Motoya Kishida, Kazuyuki Yahiro, Yasuhiro Satoh | 2012-12-18 |
| 8305797 | Information recording/reproducing device | Shinya Aoki, Kohichi Kubo, Takayuki Tsukamoto, Takahiro Hirai, Chikayoshi Kamata | 2012-11-06 |
| 8269205 | Information recording and reproducing device | Kohichi Kubo, Chikayoshi Kamata, Takayuki Tsukamoto, Shinya Aoki, Takahiro Hirai +1 more | 2012-09-18 |
| 8264866 | Nonvolatile memory device and method for manufacturing same | Hiroyuki Fukumizu, Yasuhiro Nojiri | 2012-09-11 |
| 8232042 | Storage medium, reproducing method, and recording method | Seiji Morita, Koji Takazawa, Yasuaki Ootera, Naoki Morishita, Kazuyo Umezawa +1 more | 2012-07-31 |
| 8207518 | Information recording and reproducing device | Kohichi Kubo, Chikayoshi Kamata, Takayuki Tsukamoto, Shinya Aoki, Takahiro Hirai +1 more | 2012-06-26 |
| 8089796 | Information recording and reproducing device | Takayuki Tsukamoto, Takeshi Yamaguchi, Chikayoshi Kamata, Takahiro Hirai, Shinya Aoki +1 more | 2012-01-03 |
| 7858166 | Phase change recording medium | Noritake Oomachi, Sumio Ashida, Naomasa Nakamura, Keiichiro Yusu, Yasuhiro Satoh | 2010-12-28 |
| 7767285 | Phase-change optical recording medium | Sumio Ashida, Keiichiro Yusu, Takayuki Tsukamoto, Noritake Oomachi, Naomasa Nakamura +1 more | 2010-08-03 |
| 7736715 | Optical recording medium, and information recording/playback apparatus and method using the medium | Noritake Oomachi, Sumio Ashida, Naomasa Nakamura, Keiichiro Yusu, Yasuhiro Satoh | 2010-06-15 |
| 7643397 | Phase-change optical recording media and optical recording-reproducing apparatus | Yasuaki Ootera, Sumio Ashida, Keiichiro Yusu, Nobuhisa Yoshida, Koji Takazawa +1 more | 2010-01-05 |
| 7542404 | Optical recording media | Keiichiro Yusu, Sumio Ashida, Shinichi Tatsuta, Hideki Ito | 2009-06-02 |
| 7510990 | Sputtering target, optical thin film and manufacturing method thereof using the sputtering target, and optical recording medium | Yasuhiro Satoh, Sumio Ashida, Shoko Suyama, Yoshiyasu Ito | 2009-03-31 |
| 7510753 | Phase-change optical recording media | Sumio Ashida, Keiichiro Yusu, Noritake Oomachi, Naomasa Nakamura | 2009-03-31 |
| 7357969 | Phase-change optical recording medium | Katsutaro Ichihara, Sumio Ashida, Keiichiro Yusu, Takayuki Tsukamoto, Noritake Oomachi +1 more | 2008-04-15 |
| 7294382 | Phase-change optical recording medium | Sumio Ashida, Keiichiro Yusu, Takayuki Tsukamoto, Noritake Oomachi, Naomasa Nakamura +1 more | 2007-11-13 |
| 7291375 | Phase-change optical recording medium | Katsutaro Ichihara, Sumio Ashida, Keiichiro Yusu, Takayuki Tsukamoto, Noritake Oomachi +1 more | 2007-11-06 |
| 7214416 | Phase-change optical recording medium | Sumio Ashida, Keiichiro Yusu, Takayuki Tsukamoto, Noritake Oomachi, Naomasa Nakamura +2 more | 2007-05-08 |
| 7132147 | Phase-change optical recording medium | Sumio Ashida, Keiichiro Yusu, Takayuki Tsukamoto, Noritake Oomachi, Naomasa Nakamura +1 more | 2006-11-07 |