Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41131 | Portable telephone capable of increasing facility of operation | — | 2010-02-16 |
| 7097318 | Mobile phone provided with lighting, lighting control method and lighting control program | — | 2006-08-29 |
| 6690925 | Portable telephone capable of increasing facility of operation | — | 2004-02-10 |
| 5926748 | Portable radio apparatus capable of keeping antenna away from user when calling | Michio Nagai, Masaki Ichihara | 1999-07-20 |
| 5905966 | Portable radio apparatus capable of keeping antenna away from user when calling | Michio Nagai, Masaki Ichihara | 1999-05-18 |
| 4768220 | Channel selection in a multichannel access radio communication system without occurrence of interference | Hideo Miyashita | 1988-08-30 |
| 4677688 | Radio transceiver including an antenna switching circuit | Hideo Miyashita | 1987-06-30 |
| 4673892 | Phase locked loop frequency synthesizer with battery saving circuit | Hideo Miyashita | 1987-06-16 |