Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6326691 | Semiconductor device and method for manufacturing the same | Yusuke Kohyama | 2001-12-04 |
| 6320260 | Semiconductor device and method for manufacturing the same | Yusuke Kohyama | 2001-11-20 |
| 5963838 | Method of manufacturing a semiconductor device having wiring layers within the substrate | Tadashi Yamamoto | 1999-10-05 |
| 5905292 | Semiconductor device in which an increase in threshold voltage, resulting from back-gate bias effect is mitigated, and method of manufacturing the same | Masaru Koyanagi | 1999-05-18 |
| 5841175 | Semiconductor device in which an increase in threshold voltage, resulting from back-gate bias effect is mitigated, and method of manufacturing the same | Masaru Koyanagi | 1998-11-24 |
| 5719072 | Method of manufacturing a semiconductor using multi-layer antireflective layer | Hidehiro Watanabe, Seiko Yoshida | 1998-02-17 |
| 5674763 | Method of manufacturing a semiconductor device | Masaru Koyanagi | 1997-10-07 |
| 5666002 | Semiconductor device with wiring layer in tunnel in semiconductor substrate | Tadashi Yamamoto | 1997-09-09 |
| 5545926 | Integrated mosfet device with low resistance peripheral diffusion region contacts and low PN-junction failure memory diffusion contacts | Yusuke Kohyama | 1996-08-13 |
| 5486719 | Semiconductor device including insulating film arrangement having low reflectance | Hidehiro Watanabe, Seiko Yoshida | 1996-01-23 |
| 5160988 | Semiconductor device with composite surface insulator | Takayoshi Higuchi | 1992-11-03 |
| 4980733 | Semiconductor storage device | — | 1990-12-25 |