Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818351 | Mixed cathode active material for lithium secondary battery | Masatoshi Takahashi, Yoshikumi Miyamoto | 2004-11-16 |
| 6746800 | Nonaqueous electrolyte secondary battery | Hiroyuki Fujimoto, Ryuji Ohshita, Shin Fujitani | 2004-06-08 |
| 6716556 | Nonaqueous electrolyte rechargeable battery | Yoichi Domoto, Ryuji Ohshita, Hisaki Tarui, Shin Fujitani, Ikuo Yonezu | 2004-04-06 |
| 6677081 | Positive electrode active material for non-aqueous electrolyte secondary battery | Ryuji Ohshita, Shin Fujitani | 2004-01-13 |