Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |