Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6625283 | Single hand keypad system | — | 2003-09-23 |
| 6620224 | Air purification device with a needle-shaped electrode having a protective cover thereon | — | 2003-09-16 |
| 6602450 | Method for producing a thermally insulating plate | Hiromitsu Takeyasu, Chitoshi Suzuki | 2003-08-05 |
| 6592481 | Synchronous drive arrangement for a printer | Keiichi Chiba | 2003-07-15 |