Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8642467 | Semiconductor device having silicon-diffused metal wiring layer and its manufacturing method | Koichi Ohto, Toshiyuki Takewaki, Tatsuya Usami | 2014-02-04 |
| 8115318 | Semiconductor device having silicon-diffused metal wiring layer and its manufacturing method | Koichi Ohto, Toshiyuki Takewaki, Tatsuya Usami | 2012-02-14 |
| 7842602 | Semiconductor device having silicon-diffused metal wiring layer and its manufacturing method | Koichi Ohto, Toshiyuki Takewaki, Tatsuya Usami | 2010-11-30 |
| 7737555 | Semiconductor method having silicon-diffused metal wiring layer | Koichi Ohto, Toshiyuki Takewaki, Tatsuya Usami | 2010-06-15 |
| 7687917 | Single damascene structure semiconductor device having silicon-diffused metal wiring layer | Koichi Ohto, Toshiyuki Takewaki, Tatsuya Usami | 2010-03-30 |
| 6436761 | Method for manufacturing semiconductor memory devices | Yoshihiro Harada | 2002-08-20 |
| 6399439 | Method for manufacturing semiconductor device | Toshiyuki Hirota | 2002-06-04 |
| 6307730 | Capacitor formed by lower electrode having inner and outer uneven surfaces | — | 2001-10-23 |