Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7746323 | 5-directional key operation device | Susumu Otsuki, Mamoru Yoshida, Teruo Nanmoku, Toshiyasu Kitamura, Koichi Yamamoto | 2010-06-29 |
| 6842626 | Portable cellular phone | Tetsuya Kubo, Koichi Yamamoto, Yukinari Inoue | 2005-01-11 |
| 6718188 | Mobile wireless apparatus | Nobutoshi Hamada, Takefumi Ishida | 2004-04-06 |
| 6643529 | Portable radio device | Yukinari Inoue, Koichi Yamamoto, Kazuhiro Konishi | 2003-11-04 |
| 6375283 | Radio device housing | Toshiyasu Kitamura | 2002-04-23 |
| 5903132 | Battery pack holding structure providing force components for eliminating play of an electronic device in plural dimensions | Tetsuya Kubo, Noriyoshi Sato, Kazutoshi Ichinose | 1999-05-11 |