Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734375 | Circuit board having an interstitial inner via hole structure | Daizo Andoh, Fumio Echigo, Tadashi Nakamura | 2004-05-11 |
| 6713688 | Circuit board and its manufacture method | Shinobu Kokufu, Takeshi Suzuki, Fumio Echigo, Daizo Andoh, Tatsuo Ogawa +1 more | 2004-03-30 |