Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976360 | Steam engine | Shuzo Oda, Katsuya Komaki | 2005-12-20 |
| 6973788 | Steam engine | Shuzo Oda, Yasumasa Hagiwara, Toshiyuki Morishita | 2005-12-13 |
| 6931852 | Steam engine | Yasumasa Hagiwara | 2005-08-23 |