Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7309657 | Circuit board, liquid discharge apparatus, and method of manufacturing the circuit board | Keiichi Sasaki | 2007-12-18 |
| 7270398 | Circuit board and liquid discharging apparatus | Keiichi Sasaki, Ershad Ali Chowdhury, Yukihiro Hayakawa | 2007-09-18 |
| 7270759 | Structure with through hole, production method thereof, and liquid discharge head | Yukihiro Hayakawa, Genzo Momma | 2007-09-18 |
| 7244370 | Method for producing circuit substrate | Keiichi Sasaki, Yukihiro Hayakawa, Ershad Ali Chowdhury | 2007-07-17 |
| 7018020 | Structure with through hole, production method thereof, and liquid discharge head | Yukihiro Hayakawa, Genzo Monma | 2006-03-28 |
| 6838351 | Manufacturing method of circuit board, circuit board, and liquid discharging apparatus | Keiichi Sasaki, Ershad Ali Chowdhury, Yukihiro Hayakawa | 2005-01-04 |