Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321580 | Expansion device with power cord and guide groove for expanding functions of compact electronic apparatus | Takashi Hosoi, Keizo Ohgami, Takaichi Kobayashi | 1994-06-14 |
| 5210681 | Expansion device for expanding functions of compact electronic apparatus | Takashi Hosoi, Keizo Ohgami, Takaichi Kobayashi | 1993-05-11 |
| 5153817 | Electronic apparatus system including an expansion device removably connected to a removable battery pack | Takashi Hosoi, Keizo Ohgami, Takaichi Kobayashi | 1992-10-06 |