Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7091921 | Traveling-wave combining array antenna apparatus | Takeshi Ohno, Koichi Ogawa, Jiro Hirokawa | 2006-08-15 |
| 6340953 | Antenna device | Toshio Ishizaki, Koichi Ogawa, Tomoya Maekawa | 2002-01-22 |