Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D563595 | Lens for light emitting diode | Kazuo Egawa, Takayoshi Moriyama, Masami Iwamoto | 2008-03-04 |
| 7163325 | Road indication device | Hiroyuki Kojima, Tomoko Ishiwata, Takashi Ichijo, Yasuharu Takano | 2007-01-16 |