Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107863 | Test method for secondary battery | Kenichi Sakai, Daisuke Iga, Chika Amemiya, Hiroaki Tanizaki | 2018-10-23 |
| 6343003 | Capacitor element and battery cell | Koji Sakata, Shinako Okada, Gaku Harada | 2002-01-29 |
| 6320278 | Power supply circuit | Toshihiko Nishiyama, Kouji Sakata, Gaku Harada | 2001-11-20 |
| 6277518 | Electrode materials for use in batteries, and electrodes and batteries using same | Katsuhiko Naoi, Shunzou Suematsu, Ari Manago, Toshihiko Nishiyama, Gaku Harada +2 more | 2001-08-21 |
| 6248474 | Composite electrode for secondary battery and production method thereof | Toshihiko Nishiyama, Gaku Harada, Koji Sakata, Shinako Okada | 2001-06-19 |
| 6099989 | Polymer secondary batteries | Gaku Harada, Koji Sakata, Shinako Okada | 2000-08-08 |
| 6064561 | Electric double layer capacitor | Gaku Harada, Koji Sakata | 2000-05-16 |
| 6031712 | Electric double layer capacitor | Koji Sakata, Gaku Harada | 2000-02-29 |