Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806003 | Nonaqueous electrolyte secondary battery having a negative electrode containing carbon fibers and carbon flakes | Akira Yamaguchi, Shinji Hatake, Atsuo Omaru | 2004-10-19 |
| 6764767 | Graphite powders suited for negative electrode material of lithium ion secondary battery | Koji Moriguchi, Mitsuhara Yonemura, Kazuhito Kamei, Masaru Abe, Hideya Kaminaka +2 more | 2004-07-20 |
| 6716557 | Anode material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using such anode material | Atsuo Omaru, Naoyuki Nakajima | 2004-04-06 |
| 6686094 | Non-acqueous electrolyte secondary cell | Atsuo Omaru, Naoyuki Nakajima | 2004-02-03 |