Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D496036 | Portable information terminal | Yoshiaki Kumagai | 2004-09-14 |
| D494166 | Portable information terminal | Yoshiaki Kumagai, Masato Kawasaki | 2004-08-10 |
| D494167 | Portable information terminal | Maki Hirakawa, Yoshiaki Kumagai | 2004-08-10 |