Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914924 | Stacked battery pack housing | Toshio Takeshita | 2011-03-29 |
| 7648796 | Battery pack and electronic equipment using the same | Hajime Ishihara, Shuuichi Miyazaki, Seiji Oshimi | 2010-01-19 |
| 7534523 | Battery pack and electronic equipment using the same | Hajime Ishihara, Shuuichi Miyazaki, Soiji Oshimi | 2009-05-19 |
| D528075 | Battery | Hajime Ishihara | 2006-09-12 |
| D526612 | Battery | Hajime Ishihara | 2006-08-15 |