Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5876128 | Braille printing apparatus | Takashi Ogawa | 1999-03-02 |
| 5746518 | Braille printing apparatus | Takashi Ogawa | 1998-05-05 |
| 5456632 | Cooling device and cooling system for an information recording and play-back device of an external memory apparatus | Ikuroh Ohtsu, Junichi Watanabe | 1995-10-10 |