Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647845 | Sheet retainer for punching ceramic green sheet and punching apparatus | Hiroshi Ochi | 2003-11-18 |
| 6598292 | Method of manufacturing a circuit board using a porous sheet composed of cellulose | Yasuyuki Baba, Katsuyoshi Ishikawa, Kazuhiko Ihara | 2003-07-29 |