Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663980 | Clad plate for lead frames, lead frame using the same, and method of manufacturing the lead frame | Kazuo Yoshida, Sinji Ohsawa | 2003-12-16 |
| 6579565 | Clad sheet for printed circuit board, a multilayered printed circuit board using thereof and manufacturing method thereof | Shinji Ohsawa, Kazuo Yoshida | 2003-06-17 |
| 6531242 | Enclosed cell and sealer | Yoshiyuki Sugimoto, Hiroaki Kawamura, Hiroaki Okamoto, Yoshihiko Isobe | 2003-03-11 |