Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8128741 | Gas dissolving apparatus | Yasunari Maeda, Shigeyuki Yamaguchi, Kazumasa Rokushima, Naoki Shibata, Hitoshi Kitamura +2 more | 2012-03-06 |
| 8099802 | Flush toilet equipment | Shigeyuki Yamaguchi, Hitoshi Kitamura, Yasunari Maeda, Takaya Niu, Kazumasa Rokushima +3 more | 2012-01-24 |