Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335273 | Portable telephone and multifunctional protective housing therefor | Hisamitsu Takagi, Masashi Tomura | 1994-08-02 |
| 5303291 | Portable telephone having a detachable functional module | Hisamitsu Takagi, Masashi Tomura | 1994-04-12 |