Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681975 | Electric stapler | — | 2004-01-27 |
| 6592115 | Stapler with single driving source | — | 2003-07-15 |
| 5239904 | Punch | Takashi Uchida | 1993-08-31 |
| 4976553 | Very small displacement enlargement mechanism and printing head using the same | Yasunori Kudoh, Takashi Nakazato | 1990-12-11 |
| 4884906 | Serial printer with a single type wheel | — | 1989-12-05 |
| 4711170 | Printing wire driving device in wire dot printer | — | 1987-12-08 |