Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12243739 | Semiconductor wafer and method for manufacturing same | Yuki TAKETOMI, Kohei Miki | 2025-03-04 |
| 11881516 | Semiconductor element comprising a MIM capacitor and a via hole, a bottom of the via hole being placed between a rear surface of a source electrode and a rear surface of a barrier metal layer | Kohei Miki, Kohei Nishiguchi | 2024-01-23 |
| 9805978 | Method of manufacturing semiconductor device | Kohei Miki, Kazuyuki Onoe | 2017-10-31 |
| 9117896 | Semiconductor device with improved conductivity | Hiroyuki Okazaki, Yoshitaka Kamo, Yoichi Nogami, Hidetoshi Koyama | 2015-08-25 |
| 6791335 | Sample assembly for thermoelectric analyzer | Taisei Hirayama, Masanobu Inami, Shuichi Matsuo, Koichiro Ito, Ryo Hattori +2 more | 2004-09-14 |
| 6570390 | Method for measuring surface leakage current of sample | Taisei Hirayama, Koichiro Ito, Ryo Hattori, Yoshitsugu Yamamoto, Yoshihiro Notani | 2003-05-27 |
| 6271098 | Heterojunction bipolar transistor and method for producing the same | Teruyuki Shimura | 2001-08-07 |
| 6081003 | Heterojunction bipolar transistor with ballast resistor | Teruyuki Shimura | 2000-06-27 |
| 6013926 | Semiconductor device with refractory metal element | Tomoki Oku, Naohito Yoshida, Toshihiko Shiga | 2000-01-11 |
| 5942447 | Method of selectively etching compound semiconductor and method of manufacturing compound semiconductor device using the selective etching method | — | 1999-08-24 |
| 5888859 | Method of fabricating semiconductor device | Tomoki Oku, Nobuyuki Kasai, Yasutaka Kohno | 1999-03-30 |
| 5726468 | Compound semiconductor bipolar transistor | Tomoki Oku, Hirofumi Nakano, Teruyuki Shimura, Ryo Hattori | 1998-03-10 |
| 5512331 | Etching method for indium series compound semiconductors | — | 1996-04-30 |
| 5370767 | Selective dry etching method for compound semiconductor and production method of semiconductor device | Takesi Kuragaki | 1994-12-06 |