Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022797 | Method of manufacturing through holes in a semiconductor device | Shigeo Ogasawara, Shigeru Takahashi, Noriaki Oka, Masahito Hiroshima | 2000-02-08 |
| 5986294 | Semiconductor integrated circuit | Shigeo Ogasawara, Noriaki Oka, Shigeru Takahashi, Mitsuaki Katagiri | 1999-11-16 |
| 5892276 | Semiconductor integrated circuit | Shigeo Ogasawara, Noriaki Oka, Shigeru Takahashi, Mitsuaki Katagiri | 1999-04-06 |