Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794585 | Printed circuit board having filled throughole with corner rounded portion and manufacturing method | Tomoko Kato, Yasuo Sato, Takashi Itagaki, Kenji Matsumoto | 2004-09-21 |