Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939526 | Graphite particles and process for production thereof | Kenji Fukuda, Tadanori Tsunawaki, Tatsuo Umeno, Kohei Murayama | 2005-09-06 |
| 6884545 | Anode material for lithium secondary battery, process for production thereof, and lithium secondary battery | Kenji Fukuda, Tadanori Tsunawaki, Tatsuo Umeno, Kohei Murayama, Yoshinori Yasumoto | 2005-04-26 |
| 6797202 | Particles for electro-rheological fluid | Shigeki Endo, Howard See, Tasuku Saito, Koji Sakata, Kenji Fukuda +1 more | 2004-09-28 |
| 6770399 | Composite material for anode of lithium secondary battery, and lithium secondary battery | Tatsuo Umeno, Kenji Fukuda, Tadanori Tsunawaki | 2004-08-03 |
| 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 |