Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740606 | Laminated sheet and manufacturing method therefor | Sadao Umezawa, Kihachiro Ishiguro, Akira Hiruma, Kunihiko Ogawa | 2004-05-25 |
| 6398899 | Method for manufacture of EMI shielding | Sadao Umezawa, Kihachiro Ishiguro, Akira Hiruma, Kunihiko Ogawa | 2002-06-04 |