Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831791 | Optical system for optical communications and method of manufacturing the same | Mitsuru Namiki | 2004-12-14 |
| 6814046 | Direct fuel injection engine | Koji Hiraya, Eiji Takahashi, Isamu Hotta, Akihiko Kakuho | 2004-11-09 |