Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814638 | Airdrop type buoy apparatus | Shigeru Wada, Saburo Ohashi | 2004-11-09 |
| 6784825 | Radar reflector apparatus | Osamu Kubota, Shigeru Wada | 2004-08-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814638 | Airdrop type buoy apparatus | Shigeru Wada, Saburo Ohashi | 2004-11-09 |
| 6784825 | Radar reflector apparatus | Osamu Kubota, Shigeru Wada | 2004-08-31 |