Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709786 | Cell module structure | Satoru Asaka, Kenji Matsumoto, Koichi Yamamoto, Osamu Hasegawa, Mitsuru Ikeo | 2004-03-23 |
| 6682846 | Charging element device and holding structure therefor | Kenji Matsumoto, Harumi Takedomi, Osamu Hasegawa | 2004-01-27 |