Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7589391 | Semiconductor device with STI and its manufacture | Hiroyuki Ohta | 2009-09-15 |
| 7282770 | Semiconductor device and fabrication process thereof | Takuji Tanaka, Hiroshi Nomura | 2007-10-16 |
| 6849511 | Semiconductor device and method for fabricating the same including interconnection of two electrodes | Tetsuo Izawa | 2005-02-01 |
| 6784472 | Semiconductor device and method for fabricating the same | Tetsuo Izawa | 2004-08-31 |
| 4944870 | Automatic filtration dewatering system | Aisaburo Yagishita | 1990-07-31 |
| 4686043 | Batch type filter system | Koichi Yagishita, Mitsumasa Hirose | 1987-08-11 |