Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7557314 | Rotating-pressing operation type electronic part and electronic device using this rotating-pressing operation type electronic part | Kazuaki Miyoshi, Takeshi Miyasaka | 2009-07-07 |
| 7245437 | Collimator lens for optical pickup | Hideyuki Matsushita | 2007-07-17 |
| 7196854 | Complex optical element and method for manufacturing thereof | Hatsuo Hirose, Iwao Yokoyama, Hajime Kurahashi | 2007-03-27 |
| 6715683 | Optical data code reader | Hidekuni Aizawa | 2004-04-06 |