Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681495 | Alternator power-supply type electric heating control apparatus | Toru Fujiwara | 1997-10-28 |
| 5609024 | Exhaust gas purification apparatus for internal combustion engine | Toru Fujiwara, Tadashi Tsubakiji | 1997-03-11 |