Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123913 | Cellular telephone | Michiyuki Yamaoka, Masayoshi Masuda | 2006-10-17 |
| 6990331 | Mobile terminal | Masayoshi Masuda, Michiyuki Yamaoka, Kiyoshi Okada | 2006-01-24 |
| 6898443 | Portable telephone device | Michiyuki Yamaoka | 2005-05-24 |
| 6856609 | Mobile station for CDMA communication system and method for communication of the mobile station | Hiroyuki Kusaka, Michiyuki Yamaoka | 2005-02-15 |
| 5808650 | Image forming apparatus with light emitting element head | — | 1998-09-15 |