Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D549994 | Side plate for rack | Kazuya Tokunaga | 2007-09-04 |
| 7226354 | Storage body with air cleaning function | Tomoyuki Kawano, Hiroaki Koba, Ichiro Ikenaga, Kazuya Tokunaga, Satoru Yoshimitsu +1 more | 2007-06-05 |
| 7032762 | Power-assisted movable rack | Kunio Miyazaki, Tomoyuki Kawano, Kazuya Tokunaga, Ichiro Ikenaga | 2006-04-25 |
| D509978 | Top plate for rack | Tomoyuki Kawano | 2005-09-27 |
| D507441 | Top plate for rack | Tomoyuki Kawano | 2005-07-19 |
| D506895 | Top plate for rack | Tomoyuki Kawano | 2005-07-05 |
| 6848989 | Environmental improvement device for a storage body | Kunio Miyazaki, Tomoyuki Kawano, Ichiro Ikenaga, Kazuya Tokunaga, Hiroaki Koba | 2005-02-01 |