Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520452 | Motor control circuit for paper shredders | Hiroaki Watano | 2009-04-21 |
| 6997408 | Motor control circuit for paper shredders | Hiroaki Watano | 2006-02-14 |
| 4867786 | Electromagnetic stirring method | Mitsuru Saeki, Terutsune Nishio | 1989-09-19 |