Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7364254 | Inkjet printer and inkjet printer controlling method | Takeshi Yamazaki, Fujio Miyamoto | 2008-04-29 |
| 7290849 | Ink jet printer | Takeshi Yamazaki, Fujio Miyamoto | 2007-11-06 |
| 7192110 | Inkjet cartridge detection and switching apparatus | Akihiro Taguchi, Nobuya Yamamoto, Takashi Muramatsu, Minoru Maekawara, Shingo Tsubotani | 2007-03-20 |
| 7104628 | Ink jet printer | Takeshi Yamazaki | 2006-09-12 |
| 5164833 | Electronic viewfinder | — | 1992-11-17 |
| 5115169 | Flash light control circuit | — | 1992-05-19 |