Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7226354 | Storage body with air cleaning function | Tomoyuki Kawano, Toshihiro Higashi, Ichiro Ikenaga, Kazuya Tokunaga, Satoru Yoshimitsu +1 more | 2007-06-05 |
| 6848989 | Environmental improvement device for a storage body | Kunio Miyazaki, Tomoyuki Kawano, Ichiro Ikenaga, Kazuya Tokunaga, Toshihiro Higashi | 2005-02-01 |