Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6692864 | Battery pack and power tool using the same | Yoshitaka Dansui, Hironori Ura, Michio Hirota | 2004-02-17 |
| 6388426 | Battery power source protecting device for an electromotive device | Kenji Tanaka, Hironori Ura, Kanako Kasai | 2002-05-14 |