Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8716756 | Semiconductor device | Kazushi Nakazawa | 2014-05-06 |
| 8436399 | Semiconductor device | Kazushi Nakazawa | 2013-05-07 |
| 8017975 | Semiconductor device | Keiichi Murayama, Hirotaka Miyamoto, Kenichi MIYAJIMA | 2011-09-13 |
| 7989845 | Semiconductor device having a hetero-junction bipolar transistor and manufacturing method thereof | Keiichi Murayama, Hirotaka Miyamoto, Kenichi MIYAJIMA | 2011-08-02 |
| 7728357 | Heterojunction bipolar transistor and manufacturing method thereof | Keiichi Murayama, Hirotaka Miyamoto, Kenichi MIYAJIMA | 2010-06-01 |
| 7495268 | Semiconductor device and manufacturing method of the same | Yoshiaki Kato, Yoshiharu Anda | 2009-02-24 |
| 7301181 | Heterojunction bipolar transistor having an emitter layer made of a semiconductor material including aluminum | Keiichi Murayama, Yorito Ota | 2007-11-27 |
| 7238542 | Manufacturing method for compound semiconductor device | Yoshiaki Kato, Tuneo Yamaguchi | 2007-07-03 |
| 7176099 | Hetero-junction bipolar transistor and manufacturing method thereof | Keiichi Murayama, Masanobu Nogome | 2007-02-13 |
| 7144765 | Semiconductor device with Schottky electrode including lanthanum and boron, and manufacturing method thereof | Yoshiharu Anda | 2006-12-05 |
| 7091528 | Semiconductor device | Masanobu Nogome, Keiichi Murayama | 2006-08-15 |
| 7012285 | Semiconductor device | Tadayoshi Nakatsuka, Toshiharu Tambo, Takahiro Kitazawa, Katsuyoshi Tara | 2006-03-14 |
| 7012337 | Semiconductor device including a photosensitive resin covering at least a portion of a substrate having a via hole | Masanobu Nogome, Keiichi Murayama, Kazutsune Miyanaga, Yoshitaka Kuroishi | 2006-03-14 |
| 7001820 | Heterojunction bipolar transistor and method for fabricating the same | Kenichi MIYAJIMA, Keiichi Murayama | 2006-02-21 |
| 6982141 | Semiconductor device and manufacturing method thereof | Masanobu Nogome, Keiichi Murayama, Kazutsune Miyanaga, Yoshitaka Kuroishi | 2006-01-03 |
| 6967360 | Pseudomorphic high electron mobility transistor with Schottky electrode including lanthanum and boron, and manufacturing method thereof | Yoshiharu Anda | 2005-11-22 |
| 6953729 | Heterojunction field effect transistor and manufacturing method thereof | Keisuke Kojima, Yoshiaki Kato | 2005-10-11 |
| 6903388 | Hetero-junction bipolar transistor and manufacturing method thereof | Keiichi Murayama, Masanobu Nogome | 2005-06-07 |
| 6380573 | Semiconductor memory device and method for producing the same | — | 2002-04-30 |
| 6037200 | Compound semiconductor device and fabrication method | Tomoya Uda | 2000-03-14 |
| 5994728 | Field effect transistor and method for producing the same | Tomoya Uda | 1999-11-30 |
| 5942772 | Semiconductor device and method of manufacturing the same | Katsunori Nishii, Mitsuru Nishitsuji, Takahiro Yokoyama | 1999-08-24 |
| 5907177 | Semiconductor device having a tapered gate electrode | Tomoya Uda | 1999-05-25 |
| 5616947 | Semiconductor device having an MIS structure | — | 1997-04-01 |
| 5523623 | Ohmic electrode for a p-type compound semiconductor and a bipolar transistor incorporating the ohmic electrode | Manabu Yanagihara | 1996-06-04 |