Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432583 | Anode material for lithium secondary battery, process for production thereof, and lithium secondary battery | Kenji Fukuda, Tatsuo Umeno, Takashi Hiruta, Yoshinori Yasumoto, Tadanori Tsunawaki +2 more | 2002-08-13 |
| 6383686 | Anode material for lithium secondary battery, lithium secondary battery using said anode material, and method for charging of said secondary battery | Tatsuo Umeno, Kenji Fukuda, Tadanori Tsunawaki, Takashi Hiruta, Yoshinori Yasumoto +1 more | 2002-05-07 |