Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7084786 | Reversible keyboard and information processor | Seio Kaino, Junichi Kakimoto | 2006-08-01 |
| 5943247 | Electronic desk calculator with counter and counter display | Shuji Kaya, Miho Ohba | 1999-08-24 |