Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598294 | Method of fabricating a catalyst converter | Fumihisa Yamaguchi | 2003-07-29 |
| 6467322 | Pipe shaping method | Katsunori Yuzawa | 2002-10-22 |
| 5196801 | Capacitance-type fuel sensor for sensing methanol in methanol-mixed fuel | Hisao Nunokawa, Toshio Hirota | 1993-03-23 |
| 4939467 | Fuel sensor for sensing the mixture ratio of gasoline and methanol | Hisao Nunokawa | 1990-07-03 |