Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8906526 | Electrolyte composition, solid electrolyte membrane, solid polymer fuel cell and manufacturing method for solid electrolyte membrane | Nawalage Cooray, Fumio Takei | 2014-12-09 |
| 7858215 | Electrolyte composition, solid electrolyte membrane, solid polymer fuel cell and manufacturing method for solid electrolyte membrane | Nawalage Cooray, Fumio Takei | 2010-12-28 |
| 7638255 | Method for forming image through reaction development | Takafumi Fukushima, Hiroshi Itatani | 2009-12-29 |
| 7597980 | Sulfonic acid group-containing, proton-conducting polymer composition, a solid electrolyte membrane and a solid polymer fuel cell | Nawalage Cooray, Fumio Takei, Norio Sawatari | 2009-10-06 |
| 7037614 | Electrolyte composition, solid electrolyte membrane, solid polymer fuel cell and manufacturing method for solid electrolyte membrane | Nawalage Cooray, Fumio Takei | 2006-05-02 |
| 5518627 | Method for treating water or an aqueous solution | Teruo Onozuka, Manabu Shindo, Hideaki Kiniwa, Hirohisa Kubota, Shintaro Sawada | 1996-05-21 |
| 5350523 | Anion exchange method | Atsuo Kiyokawa, Hiromasa Ogawa, Teruo Onozuka, Tsuyoshi Ito | 1994-09-27 |