Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44882 | Dual display portable telephone device and allocation means for display process thereof | Shuji Otsuka, Hideji Kawasaki | 2014-05-06 |
| RE43561 | Dual display portable telephone device and allocation means for display process thereof | Shuji Otsuka, Hideji Kawasaki | 2012-07-31 |
| 7197295 | Portable communication device | Shuji Otsuka, Hideji Kawasaki | 2007-03-27 |
| 7096050 | Portable telephone | Yuichi Taneya, Masae Morioka | 2006-08-22 |
| 7031743 | Foldable portable communication terminal device | Hideji Kawasaki, Shuji Otsuka | 2006-04-18 |
| 7006835 | Method of and system for providing position information | Shuji Otsuka, Hideji Kawasaki | 2006-02-28 |
| 7006822 | Distance alarm and notification device for use with mobile phone | Shuji Otsuka, Hideji Kawasaki | 2006-02-28 |
| 7002616 | Cellular telephone | Yuichi Taneya, Masae Morioka | 2006-02-21 |
| 6941160 | Dual display portable telephone device and allocation means for display process thereof | Shuji Otsuka, Hideji Kawasaki | 2005-09-06 |
| 6915143 | Portable telephone | Shuji Otsuka, Hideji Kawasaki, Takenori Ugari | 2005-07-05 |