Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9058972 | Semiconductor device, manufacturing method therefor, and electronic apparatus | Ikuo Yoshihara, Taku Umebayashi, Hiroshi Takahashi | 2015-06-16 |
| 8809983 | Semiconductor device, manufacturing method therefor, and electronic apparatus | Ikuo Yoshihara, Taku Umebayashi, Hiroshi Takahashi | 2014-08-19 |
| 8536670 | Semiconductor device, manufacturing method therefor, and electronic apparatus | Ikuo Yoshihara, Taku Umebayashi, Hiroshi Takahashi | 2013-09-17 |
| 5680413 | Electric arc melting furnace | Masaki Ogushi, Osamu Takeuchi, Ikuo Yamamura, Toru Iura | 1997-10-21 |
| 5590150 | Electric arc melting furnace | Masaki Ogushi, Osamu Takeuchi, Ikuo Yamamura, Toru Iura | 1996-12-31 |
| 5513206 | Apparatus for preheating and charging scrap materials | Motoharu Mori, Ikuo Yamamura, Toru Iura, Osamu Takeuchi, Masaki Ogushi | 1996-04-30 |
| 5479435 | DC arc furnace | Shinichi Tsukizaki | 1995-12-26 |