| 6329099 |
Sodium-sulfur battery, and a battery system using same |
Tetsuo Oyama, Tadahiko Miyoshi, Manabu Madokoro, Hisamitsu Hatoh, Katsuhiko Shiota +1 more |
2001-12-11 |
| 6245455 |
Sodium-sulfur secondary battery |
Kazushige Kohno, Seizi Koike, Toshiya Doi, Tomoichi Kamo, Masaru Kadoshima +1 more |
2001-06-12 |
| 5962160 |
Sodium-sulfur battery, and a battery system using same |
Tetsuo Oyama, Tadahiko Miyoshi, Manabu Madokoro, Hisamitsu Hatoh, Katsuhiko Shiota +1 more |
1999-10-05 |
| 5500292 |
Polymer electrolyte hydrogen-oxygen fuel cell where the polymer electrolyte has a water repellency gradient and a catalytically active component concentration gradiem across oxygen electrode |
Yasushi Muranaka, Jinichi Imahashi, Tatsuo Horiba |
1996-03-19 |
| 4879192 |
Secondary cell |
Kazunori Fujita, Hiroyuki Sugimoto, Atsuko Tohyama, Noboru Ebato, Shinpei Matsuda |
1989-11-07 |
| 4559284 |
Secondary battery |
Kazunori Fujita, Hiroyuki Sugimoto, Atsuko Tohyama, Noboru Ebato, Shinpei Matsuda |
1985-12-17 |
| 4518665 |
Sheet-shaped polymer secondary battery of layer built type |
Kazunori Fujita, Hiroyuki Sugimoto, Noboru Ebato, Shinpei Matsuda |
1985-05-21 |
| 4389253 |
Process for removing crud from ion exchange resin |
Toshio Ogawa, Katsuya Ebara, Sankichi Takahashi |
1983-06-21 |
| 4220858 |
Apparatus for detecting change in water quality |
Takashi Ikeguchi, Shunsuke Nogita, Kouji Otani |
1980-09-02 |