Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8970918 | Document management system and method thereof | — | 2015-03-03 |
| 7927756 | Redox fuel cell using methanol | Seiji Hibino, Kensuke Yoshida, Hiroaki Yoshida, Yoichi Takasu, Nawalage Cooray +1 more | 2011-04-19 |
| 7553570 | Fuel cell | Kensuke Yoshida, Hiroaki Yoshida, Fumio Takei | 2009-06-30 |
| 7396797 | Production method of catalyst for fuel cell and of fuel cell, and catalyst for fuel cell and fuel cell | Seiji Hibino, Hiroaki Yoshida, Fumio Takei, Youichi Takasu, Kensuke Yoshida | 2008-07-08 |
| 6936349 | Method of coloring magnesium material, and housing made of colored magnesium material | Yasuo Naganuma | 2005-08-30 |
| 6645671 | Lithium secondary battery, anode for lithium secondary battery, and method for manufacturing the anode | Hiroshi Horiuchi, Tamotsu Yamamoto | 2003-11-11 |
| 6187477 | Lithium secondary battery and cathode composition therefor | Isao Watanabe, Hiroshi Horiuchi, Kensuke Yoshida, Tsutomu Miyashita, Tamotsu Yamamoto | 2001-02-13 |
| 6136475 | Lithium secondary battery and cathode composition therefor | Hiroshi Horiuchi, Tamotsu Yamamoto, Isao Watanabe, Tsutomu Miyashita | 2000-10-24 |
| 5998065 | Ion-conductor for lithium secondary battery and lithium secondary battery using the same | Hiroshi Horiuchi, Tsutomu Miyashita, Masaki Yoshio, Hideya Yoshitake | 1999-12-07 |
| 5731106 | Electrolytic solution for lithium secondary battery and lithium secondary battery using the same | Hiroshi Horiuchi, Isao Watanabe, Tsutomu Miyashita | 1998-03-24 |