Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9570599 | Transistor having nitride semiconductor used therein and method for manufacturing transistor having nitride semiconductor used therein | Yutaro Yamaguchi, Hiroshi Otsuka, Koji Yamanaka | 2017-02-14 |
| 9111061 | Transistor characteristic calculation apparatus using large signal equivalent circuit model | Hiroshi Otsuka, Yutaro Yamaguchi, Naoki Kosaka, Shinichi Miwa, Koji Yamanaka | 2015-08-18 |
| 8624667 | High electron mobility transistors with multiple channels | Koon Hoo Teo, Peijie Feng, Chunjie Duan, Nakayama Masatoshi | 2014-01-07 |
| 8247844 | Semiconductor device and manufacturing method thereof | Yoshitsugu Yamamoto, Hiroshi Otsuka, Koji Yamanaka, Akira Inoue | 2012-08-21 |
| 8035130 | Nitride semiconductor heterojunction field effect transistor having wide band gap barrier layer that includes high concentration impurity region | Takuma Nanjo, Muneyoshi Suita, Yuji Abe, Yasunori Tokuda | 2011-10-11 |
| 7939943 | Nitride semiconductor device including an electrode in ohmic contact with a P-type nitride semiconductor contact layer | Katsuomi Shiozawa, Kyozo Kanamoto, Hiroshi Kurokawa, Kenichi Ohtsuka, Yoichiro Tarui +1 more | 2011-05-10 |
| 7842962 | Nitride semiconductor device and method of manufacturing the same | Katsuomi Shiozawa, Kazushige Kawasaki, Yuji Abe | 2010-11-30 |
| 7791097 | Nitride semiconductor device and manufacturing method of the same | Kyozo Kanamoto, Katsuomi Shiozawa, Kazushige Kawasaki, Hitoshi Sakuma, Junichi Horie +1 more | 2010-09-07 |
| 7714439 | Nitride semiconductor device and method of manufacturing the same | Katsuomi Shiozawa, Hitoshi Sakuma, Kazushige Kawasaki, Toshihiko Shiga | 2010-05-11 |
| 7678597 | Method of manufacturing semiconductor device including gallium-nitride semiconductor structure and a palladium contact | Kenichi Ohtsuka, Yoichiro Tarui, Yosuke Suzuki, Katsuomi Shiozawa, Kyozo Kanamoto +2 more | 2010-03-16 |
| 7378351 | Method of manufacturing nitride semiconductor device | Katsuomi Shiozawa, Kazushige Kawasaki, Zempei Kawazu, Yuji Abe | 2008-05-27 |
| 6635938 | Semiconductor device and manufacturing method thereof | Takumi Nakahata, Shigemitsu Maruno, Taisuke Furukawa, Naruhisa Miura, Yasunori Tokuda | 2003-10-21 |
| 6633070 | Semiconductor device | Naruhisa Miura, Yuji Abe, Kohei Sugihara | 2003-10-14 |
| 6624034 | Method of making field effect transistor in which the increase of parasitic capacitance is restrained by scale reduction | Yuji Abe, Naruhisa Miura, Kohei Sugihara, Yasunori Tokuda | 2003-09-23 |
| 6617654 | Semiconductor device with sidewall spacers and elevated source/drain region | Kohei Sugihara, Naruhisa Miura, Yuji Abe, Yasunori Tokuda | 2003-09-09 |
| 6600195 | Semiconductor device | Yukio Nishida, Hirokazu Sayama, Hidekazu Oda | 2003-07-29 |
| 6566734 | Semiconductor device | Kohei Sugihara, Naruhisa Miura, Yuji Abe, Yasunori Tokuda | 2003-05-20 |
| 6518635 | Semiconductor device and manufacturing method thereof | Katsuomi Shiozawa, Yuji Abe, Yasunori Tokuda | 2003-02-11 |
| 6506651 | Semiconductor device and manufacturing method thereof | Hirokazu Sayama, Hidekazu Oda, Yukio Nishida | 2003-01-14 |
| 6344388 | Method of manufacturing semiconductor device | Yukio Nishida, Hirokazu Sayama | 2002-02-05 |
| 6335252 | Semiconductor device manufacturing method | Yukio Nishida, Hirokazu Sayama, Hidekazu Oda | 2002-01-01 |
| 6245641 | Semiconductor device comprising trench isolation insulator film and method of fabricating the same | Katsuomi Shiozawa | 2001-06-12 |
| 6110291 | Thin film forming apparatus using laser | Kenyu Haruta, Koichi Ono, Hitoshi Wakata, Mutsumi Tsuda, Yoshio Saito +22 more | 2000-08-29 |
| 6081662 | Semiconductor device including trench isolation structure and a method of manufacturing thereof | Takaaki Murakami, Kenji Yasumura, Katsuomi Shiozawa | 2000-06-27 |
| 5622567 | Thin film forming apparatus using laser | Kazuyoshi Kojima, Tetsuya Takami, Kenichi Kuroda, Yukihiko Wada, Akihiko Furukawa | 1997-04-22 |