Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8878105 | Steam cooker | Kiyoshi Yamaguchi, Yuko Nakajima, Mari Terada | 2014-11-04 |
| 8420983 | Vapor cooker | Yuko Nakajima | 2013-04-16 |
| 8044326 | Steam cooking apparatus | Yuzi Ando, Yuko Nakajima, Mari Terada, Rika Nozawa | 2011-10-25 |
| 7759615 | Steam cooking apparatus | Yuzi Ando, Yuko Nakajima, Mari Terada, Rika Nozawa | 2010-07-20 |