Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7534525 | Battery pack and method for producing battery pack | Masaru Hiratsuka, Mitsuo Sakamoto, Kazuhito Hatta, Hiroyuki Yamada | 2009-05-19 |
| 7396613 | Battery pack and method for producing same | Masaru Hiratsuka, Mitsuo Sakamoto, Kazuhito Hatta | 2008-07-08 |
| 7348762 | Battery pack and method for producing battery pack | Masaru Hiratsuka, Mitsuo Sakamoto, Kazuhito Hatta, Hiroyuki Yamada | 2008-03-25 |
| 7166389 | Battery pack and method for producing same | Masaru Hiratsuka, Mitsuo Sakamoto, Kazuhito Hatta | 2007-01-23 |