Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665590 | Operation support system | Yasushi Harada, Yasushi Tomita | 2003-12-16 |
| 6621912 | Speaker | Hajime Kitamura, Naohiro Fujinami, Yoshio Imahori, Hitoshi Yamashima | 2003-09-16 |
| 6513623 | Speaker | Hajime Kitamura, Naohiro Fujinami, Yoshio Imahori, Hitoshi Yamashima | 2003-02-04 |