Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D498491 | Lens cover for a projector | Atsushi Shigemura, Masakazu Iwamoto, Shuji Shibuki | 2004-11-16 |
| D497929 | Projector | Atsushi Shigemura, Masakazu Iwamoto, Shuji Shibuki | 2004-11-02 |