Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657185 | Pattern detector for capturing images with reduced distortion | Akihide Shiratsuki, Hajime Nakajima | 2003-12-02 |
| 6631788 | Elevator system with safety installation | Hajime Nakajima, Toshiro Nakashima, Kazuo Takashima, Tatsushi Takahashi, Shigeki Yamakawa +4 more | 2003-10-14 |