Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828051 | Fuel-cell system for moving body and control method thereof | — | 2004-12-07 |
| 6767518 | Reforming apparatus | Hiroyuki Ichikawa, Masakazu Hanawa | 2004-07-27 |
| 6632552 | Water purge fuel cell system and method | — | 2003-10-14 |
| 6447735 | Exhaust purifier and manufacturing method of same | Kimiyoshi Nishizawa | 2002-09-10 |
| 6220018 | Exhaust emission control device | Kimiyoshi Nishizawa, Mikio Tsuzuki, Ritsuo Sato | 2001-04-24 |
| 5570575 | Fuel delivery control apparatus for use with internal combustion engine | Ritsuo Sato, Kimiyoshi Nishizawa, Katsuhiro Shibata, Hideharu Ehara, Kaoru Ikeda +3 more | 1996-11-05 |
| 5376610 | Catalyst for exhaust gas purification and method for exhaust gas purification | Toshio Takahata, Hideharu Ehara, Katsuhiro Shibata, Fumio Abe, Tomoharu Kondo +2 more | 1994-12-27 |