Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809621 | Internal combustion engine ignition coil, and method of producing the same | Takashi Nagata, Kazutoyo Osuka, Atsuyuki Konishi, Kazuhide Kawai | 2004-10-26 |
| 6768202 | Semiconductor device and method of manufacturing the same | Yasushi Oikawa, Tomio Katata | 2004-07-27 |
| 6720253 | Method of manufacturing semiconductor device having an aluminum wiring layer | Yasushi Oikawa, Tomio Katata | 2004-04-13 |
| 6673704 | Semiconductor device and method of manufacturing the same | Atsuko Sakata, Tomio Katata, Takamasa Usui, Masahiko Hasunuma, Hideki Shibata +3 more | 2004-01-06 |