Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9819776 | Radio wave receiving apparatus for receiving two different radio wave intensities | — | 2017-11-14 |
| 9479629 | Radio wave receiving apparatus for receiving two different radio wave intensities | — | 2016-10-25 |
| 9438722 | Mobile telephone device | Miyuki Okamoto | 2016-09-06 |
| 9232075 | Mobile telephone device with screen luminance and sound volume control | Miyuki Okamoto | 2016-01-05 |
| 9014642 | Radio wave receiving apparatus for receiving two different radio wave intensities | — | 2015-04-21 |
| 8290444 | Radio wave receiving apparatus for receiving two different radio wave intensities | — | 2012-10-16 |
| 7853275 | Radio wave receiving apparatus for receiving two different radio wave intensities | — | 2010-12-14 |
| 7746409 | Mobile telephone device | Miyuki Okamoto | 2010-06-29 |
| 7336976 | Mobile telephone device | — | 2008-02-26 |