Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5590414 | Adapter unit for a portable radio telephone enabling either one of data transmission and hand-free operation | Kuniyoshi Marui | 1996-12-31 |
| 5584055 | Adapter unit for adaptively supplying a portable radio telephone with power | Kuniyoshi Murui, Takaaki Ishii, Shinji Takachi, Buntaro Sawa, Hiroshi Sato | 1996-12-10 |
| 5444867 | Adapter unit for adaptively supplying a portable radio telephone with power | Kuniyoshi Marui, Takaaki Ishii, Shinji Takachi, Buntaro Sawa, Hiroshi Sato | 1995-08-22 |
| 5367556 | Portable radio telephone used with an adaptor unit having a hand-free circuit | Kuniyoshi Marui, Buntaro Sawa, Hiroshi Sato | 1994-11-22 |