| 9263559 |
Semiconductor device and radio communication device |
Satoshi Sasaki, Yasunari Umemoto, Yasuo Osone, Tsutomu Kobori, Isao Ohbu +1 more |
2016-02-16 |
| 8860093 |
Semiconductor device and radio communication device |
Satoshi Sasaki, Yasunari Umemoto, Yasuo Osone, Tsutomu Kobori, Isao Ohbu +1 more |
2014-10-14 |
| 8742499 |
Semiconductor device and manufacturing method thereof |
Shizuki Nakajima, Hiroyuki Nagai, Yuji Shirai, Hirokazu Nakajima, Yu Hasegawa +2 more |
2014-06-03 |
| 8227836 |
Semiconductor device and radio communication device |
Satoshi Sasaki, Yasunari Umemoto, Yasuo Osone, Tsutomu Kobori, Isao Ohbu +1 more |
2012-07-24 |
| 8072001 |
Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same |
Isao Ohbu, Yasunari Umemoto, Atsushi Kurokawa |
2011-12-06 |
| 7804109 |
Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same |
Isao Ohbu, Yasunari Umemoto, Atsushi Kurokawa |
2010-09-28 |
| 7622756 |
Semiconductor device and radio communication device |
Satoshi Sasaki, Yasunari Umemoto, Yasuo Osone, Tsutomu Kobori, Isao Ohbu +1 more |
2009-11-24 |
| 7511315 |
Semiconductor device and manufacturing method therefor |
Satoru Konishi, Tsuneo Endo, Hirokazu Nakajima, Yasunari Umemoto, Satoshi Sasaki +2 more |
2009-03-31 |
| 7256434 |
Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same |
Isao Ohbu, Yasunari Umemoto, Atsushi Kurokawa |
2007-08-14 |
| 7045877 |
Semiconductor protection device |
Yasunari Umemoto, Hideyuki Ono, Tomonori Tanoue, Yasuo Ohsone, Isao Ohbu +2 more |
2006-05-16 |
| 6943387 |
Semiconductor device, manufacturing thereof and power amplifier module |
Isao Ohbu, Tomonori Tanoue, Yasunari Umemoto, Atsushi Kurokawa, Kazuhiro Mochizuki +2 more |
2005-09-13 |
| 5633516 |
Lattice-mismatched crystal structures and semiconductor device using the same |
Tomoyoshi Mishima, Katsuhiko Higuchi, Mitsuhiro Mori, Makoto Kudo |
1997-05-27 |
| 5514992 |
Low-distortion cascode circuit |
Satoshi Tanaka, Akishige Nakajima, Eiichi Hase |
1996-05-07 |
| 5019524 |
Method of manufacturing a heterojunction bipolar transistor |
Katsuhiko Mitani, Tomonori Tanoue, Masayoshi Kobayashi, Susumu Takahashi |
1991-05-28 |
| 4979009 |
Heterojunction bipolar transistor |
Tomonori Tanoue, Katsuhiko Mitani |
1990-12-18 |
| 4331506 |
Method of manufacturing target of image pickup tube |
Akira Sasano, Toshio Nakano, Ken Tsutsui, Tadaaki Hirai, Eiichi Maruyama |
1982-05-25 |