Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473024 | Electromagnetic wave absorber | Katsumi Okayama, Sakan Iwashita | 2002-10-29 |
| 6426457 | Apparatus and method for shielding electromagnetic wave | Sakan Iwashita | 2002-07-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473024 | Electromagnetic wave absorber | Katsumi Okayama, Sakan Iwashita | 2002-10-29 |
| 6426457 | Apparatus and method for shielding electromagnetic wave | Sakan Iwashita | 2002-07-30 |