Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44882 | Dual display portable telephone device and allocation means for display process thereof | Shuji Otsuka, Hiroomi Kashu | 2014-05-06 |
| 8521230 | Mobile telephone | Naoki Matsuo, Tatsuhiko Abe | 2013-08-27 |
| RE43561 | Dual display portable telephone device and allocation means for display process thereof | Shuji Otsuka, Hiroomi Kashu | 2012-07-31 |
| 7705903 | Folding mobile communication terminal | Kenji Kiyota | 2010-04-27 |
| 7197295 | Portable communication device | Shuji Otsuka, Hiroomi Kashu | 2007-03-27 |
| 7173665 | Folding mobile communication terminal | Kenji Kiyota | 2007-02-06 |
| 7031743 | Foldable portable communication terminal device | Hiroomi Kashu, Shuji Otsuka | 2006-04-18 |
| 7006822 | Distance alarm and notification device for use with mobile phone | Hiroomi Kashu, Shuji Otsuka | 2006-02-28 |
| 7006835 | Method of and system for providing position information | Shuji Otsuka, Hiroomi Kashu | 2006-02-28 |
| 6941160 | Dual display portable telephone device and allocation means for display process thereof | Shuji Otsuka, Hiroomi Kashu | 2005-09-06 |
| 6915143 | Portable telephone | Hiroomi Kashu, Shuji Otsuka, Takenori Ugari | 2005-07-05 |
| 5250819 | Light emitting device having stepped non-nucleation layer | Hiroyuki Tokunaga | 1993-10-05 |