Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470674 | Deterioration detecting apparatus and method for engine exhaust gas purifying device | Masaaki Nakayama, Shujiro Morinaga | 2002-10-29 |
| 6463735 | Apparatus for detecting deterioration of exhaust gas purifying catalysts | Shujiro Morinaga, Masaaki Nakayama, Naoki Yoshiume | 2002-10-15 |
| 6362603 | Battery charging apparatus | Hidetoshi Suzuki, Hiroyuki Horibe, Takuma Ayuzawa | 2002-03-26 |