Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977409 | Flash memory having memory section and peripheral circuit section | Riichiro Shirota, Kikuko Sugimae, Masayuki Ichige, Atsuhiro Sato | 2005-12-20 |
| 6975019 | Semiconductor memory device having a multi-layered interlayer insulation consisting of deuterium and nitride | — | 2005-12-13 |
| 6969660 | Method of manufacturing a semiconductor device with trench isolation between two regions having different gate insulating films | Akira Goda, Mitsuhiro Noguchi, Yuji Takeuchi, Michiharu Matsui | 2005-11-29 |
| 6943453 | Superconductor device and method of manufacturing the same | Akira Goda, Mitsuhiro Noguchi, Yuji Takeuchi | 2005-09-13 |
| 6844590 | Semiconductor device with trench isolation between two regions having different gate insulating films | Akira Goda, Mitsuhiro Noguchi, Yuji Takeuchi, Michiharu Matsui | 2005-01-18 |
| 6828627 | Semiconductor device | Akira Goda, Kazuhiro Shimizu, Riichiro Shirota, Norihisa Arai, Naoki Koido +3 more | 2004-12-07 |
| 6828624 | Nonvolatile semiconductor memory device covered with insulating film which is hard for an oxidizing agent to pass therethrough | Akira Goda, Riichiro Shirota, Kazuhiro Shimizu, Hirohisa Iizuka, Seiichi Aritome +1 more | 2004-12-07 |
| 6798038 | Manufacturing method of semiconductor device with filling insulating film into trench | Atsuhiro Sato, Masayuki Ichige, Seiichi Mori, Yuji Takeuchi, Yukio Nishiyama +2 more | 2004-09-28 |
| 6759314 | Method for manufacturing semiconductor devices using thermal nitride films as gate insulating films | Wakako Moriyama, Naoki Kai, Keiki Nagai, Yuji Fukazawa, Kazuo Saki +2 more | 2004-07-06 |
| 6747311 | Nonvolatile semiconductor memory device and method for manufacturing the same | Akira Goda, Riichiro Shirota, Kazuhiro Shimizu, Hirohisa Iizuka, Seiichi Aritome +1 more | 2004-06-08 |
| 6703669 | Semiconductor device having serially connected memory cell transistors provided between two current terminals | Akira Goda, Kazuhiro Shimizu, Riichiro Shirota, Norihisa Arai, Naoki Koido +3 more | 2004-03-09 |
| 6667507 | Flash memory having memory section and peripheral circuit section | Riichiro Shirota, Kikuko Sugimae, Masayuki Ichige, Atsuhiro Sato | 2003-12-23 |
| 6228717 | Method of manufacturing semiconductor devices with alleviated electric field concentration at gate edge portions | Kazumi Amemiya, Toshiharu Watanabe | 2001-05-08 |
| 6055181 | Nonvolatile semiconductor memory device capable of storing multi-value data of more than one bit in a memory cell | Tomoharu Tanaka | 2000-04-25 |
| 5907393 | Exposure mask and method and apparatus for manufacturing the same | Kenji Kawano, Shinichi Ito, Iwao Higashikawa, Masamitsu Itoh, Takashi Kamo +1 more | 1999-05-25 |
| 5837405 | Reticle | Yoko Tomofuji, Makoto Nakase, Takashi Sato, Haruki Komano, Shinichi Ito | 1998-11-17 |
| 5815436 | Multi-level nonvolatile semiconductor memory device having improved programming level and read/write multi-level data circuits | Tomoharu Tanaka | 1998-09-29 |
| 5728494 | Exposure mask and method and apparatus for manufacturing the same | Kenji Kawano, Shinichi Ito, Iwao Higashikawa, Masamitsu Itoh, Takashi Kamo +1 more | 1998-03-17 |
| 5660956 | Reticle and method of fabricating reticle | Yoko Tomofuji, Makoto Nakase, Takashi Sato, Haruki Komano, Shinichi Ito | 1997-08-26 |
| 5629115 | Exposure mask and method and apparatus for manufacturing the same | Kenji Kawano, Shinichi Ito, Iwao Higashikawa, Masamitsu Itoh, Takashi Kamo +1 more | 1997-05-13 |
| 5595844 | Method of exposing light in a method of fabricating a reticle | Yoko Tomofuji, Makoto Nakase, Takashi Sato, Haruki Komano, Shinichi Ito | 1997-01-21 |
| 5589305 | Method of fabricating a reticle | Yoko Tomofuji, Makoto Nakase, Takashi Sato, Haruki Komano, Shinichi Ito | 1996-12-31 |
| 5514904 | Semiconductor device with monocrystalline gate insulating film | Shinji Onga, Takako Okada, Kouichirou Inoue, Yoshiaki Matsushita, Kikuo Yamabe +1 more | 1996-05-07 |
| 5162880 | Nonvolatile memory cell having gate insulation film with carrier traps therein | Kazumi Nishinohara | 1992-11-10 |