Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053576 | Molding material for a household plumbing equipment and a household plumbing equipment fabricated using the same | Kazumasa Rokushima | 2018-08-21 |
| 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, Kazumasa Rokushima, Yoshihiro Ito +3 more | 2012-01-24 |