Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7035320 | Communication apparatus, frequency spectrum inversion method and program storage medium | Kazuhiro Sawa | 2006-04-25 |
| 6771973 | Method and apparatus for setting main-sub relation of electronic appliances | Masayoshi Seo | 2004-08-03 |
| 6636236 | Information presentation method and information recording medium and presentation device for implementing the method | — | 2003-10-21 |
| 6509924 | Video telephone with automatic answering function | Naoaki Honguu | 2003-01-21 |
| 6397048 | Signal processing apparatus and communication apparatus | — | 2002-05-28 |
| 5005198 | Cordless telephone apparatus | — | 1991-04-02 |