Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365910 | Misfire detector for use in internal combustion engine | Shigeru Miyata, Hideji Yoshida, Yoshihiro Matsubara | 1994-11-22 |
| 5357750 | Method for detecting deterioration of catalyst and measuring conversion efficiency thereof with an air/fuel ratio sensor | Nobuhiro Hayakawa, Tessho Yamada | 1994-10-25 |
| 5355056 | Sparkplug voltage detecting probe device for use in internal combustion engine | Shigeru Miyata, Hideji Yoshida | 1994-10-11 |
| 5317267 | Spark plug voltage probe for use with an internal combustion engine | Shigeru Miyata, Hideji Yoshida, Yoshihiro Matsubara, Takashi Suzuki | 1994-05-31 |