Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689256 | Frequency selective plate and method for producing same | Hiroshi Nakashima, Hideaki Wakabayashi, Masanobu Kominami | 2004-02-10 |
| 6673462 | Frequency selective plate and method for producing same | Hiroshi Nakashima, Motoh Asakura, Hideo Omoto | 2004-01-06 |