Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666551 | Ink cartridge | Hisashi Miyazawa | 2003-12-23 |
| 6658829 | Electric lawn mower | Tetsuo Iida, Kenzou Shimada, Norikazu Shimizu | 2003-12-09 |
| 6648459 | Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unit | Minoru Usui, Satoshi Shinada, Hisashi Miyazawa, Takahiro Naka | 2003-11-18 |
| 6591507 | Operational lever for bush cutter | Atsushi Kojima, Kenjiro Hiratsuna, Akito Kono | 2003-07-15 |
| 6578270 | Bush cutting machine | Kenjiro Hiratsuna, Akito Kono, Atsushi Kojima | 2003-06-17 |
| 6565498 | Composite roll for manufacturing heat transfer tubes | Isao Nakada | 2003-05-20 |
| 6550902 | Ink-jet printing apparatus and ink cartridge therefor | Satoshi Shinada, Fujio Akahane, Minoru Usui, Makoto Matsuzaki | 2003-04-22 |
| 6509970 | Wavelength monitoring apparatus for laser light for semiconductor exposure | Kyohei Seki, Kazuaki Hotta | 2003-01-21 |
| 6502917 | Ink-jet printing apparatus and ink cartridge therefor | Satoshi Shinada, Fujio Akahane, Minoru Usui, Makoto Matsuzaki | 2003-01-07 |