Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077058 | Fruit and vegetable peeler | — | 2006-07-18 |
| D506649 | Peeling machine | — | 2005-06-28 |
| 6769332 | Successive screw driving attachment | — | 2004-08-03 |
| D440137 | Screw driving attachment | Hideki Fujita, Kunihiro Arai | 2001-04-10 |