Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873828 | Compound semiconductor switching device for high frequency switching | Takayoshi Higashino, Koichi Hirata | 2005-03-29 |
| 6867115 | Compound semiconductor device | Toshikazu Hirai, Takayoshi Higashino, Koichi Hirata, Mikito Sakakibara | 2005-03-15 |
| 6853072 | Semiconductor switching circuit device and manufacturing method thereof | Mikito Sakakibara | 2005-02-08 |
| 6833616 | Multilayer wiring board with mounting pad | Mikito Sakakibara, Hideyuki Inotsume, Haruhiko Sakai, Shigeo Kimura | 2004-12-21 |
| 6833608 | Semiconductor device and packaging system therefore | Mikito Sakakibara, Hideyuki Inotsume, Haruhiko Sakai, Shigeo Kimura | 2004-12-21 |
| 6818969 | Semiconductor device | Mikito Sakakibara, Hideyuki Inotsume, Haruhiko Sakai, Shigeo Kimura | 2004-11-16 |
| 6787871 | Integrated schottky barrier diode and manufacturing method thereof | Katsuaki Onoda, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata +2 more | 2004-09-07 |
| 6777277 | Manufacturing method of Schottky barrier diode | Katsuaki Onoda, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata +2 more | 2004-08-17 |
| 6737890 | Switching circuit device | Toshikazu Hirai | 2004-05-18 |
| 6727559 | Compound semiconductor device | Masahiro Uekawa, Koichi Hirata, Mikito Sakakibara | 2004-04-27 |
| 6682968 | Manufacturing method of Schottky barrier diode | Katsuaki Onoda, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata +2 more | 2004-01-27 |
| 6657266 | Semiconductor switching device | Toshikazu Hirai | 2003-12-02 |
| 6627956 | Semiconductor switching device | Toshikazu Hirai, Mikito Sakakibara | 2003-09-30 |
| 6627967 | Schottky barrier diode | Katsuaki Onada, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata +2 more | 2003-09-30 |
| 6580107 | Compound semiconductor device with depletion layer stop region | Toshikazu Hirai, Takayoshi Higashino, Koichi Hirata, Mikito Sakakibara | 2003-06-17 |
| 6573529 | Semiconductor switching device | Toshikazu Hirai, Mikito Sakakibara | 2003-06-03 |
| 5929468 | Compound semiconductor device | — | 1999-07-27 |
| 5837570 | Heterostructure semiconductor device and method of fabricating same | — | 1998-11-17 |
| 4694320 | Semiconductor integrated circuit having multiple-layered connection | — | 1987-09-15 |