Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D499753 | Projector | Atsushi Shigemura, Tadahisa Sawano, Shuji Shibuki | 2004-12-14 |
| D498249 | Projector | Atsushi Shigemura, Tadahisa Sawano, Shuji Shibuki | 2004-11-09 |
| D494208 | Electronic calculator with printer | Susumu Kamiya, Atsushi Shigemura, Shuji Shibuki | 2004-08-10 |