Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7462266 | Apparatus for detecting concentration of nitrogen oxide | Noriaki Kondo, Hiroshi Inagaki | 2008-12-09 |
| 6533921 | Apparatus for detecting concentration of nitrogen oxide | Noriaki Kondo, Hiroshi Inagaki | 2003-03-18 |
| 6309536 | Method and apparatus for detecting a functional condition on an NOx occlusion catalyst | Hirosi Inagaki, Noriaki Kondo | 2001-10-30 |
| 6228252 | Apparatus for detecting concentration of nitrogen oxide | Noriaki Kondo, Hiroshi Inagaki | 2001-05-08 |
| 6224727 | NOx sensor | Masashi Ando, Hiroshi Inagaki, Noboru Ishida, Takafumi Oshima | 2001-05-01 |
| 6222368 | Ion current detection apparatus | Hiroshi Inagaki, Noriaki Kondo | 2001-04-24 |
| 6214207 | Method and apparatus for measuring oxygen concentration and nitrogen oxide concentration | Noriaki Kondo, Hiroshi Inagaki | 2001-04-10 |
| 6055844 | Air/fuel ratio detection device and an air/fuel ratio control device | Noriaki Kondo, Hiroshi Inagaki | 2000-05-02 |
| 5895564 | Method and a device for controlling an air/fuel ratio sensor | Noriaki Kondo, Hiroshi Inagaki | 1999-04-20 |
| 5754051 | Misfire detecting device | Noriaki Kondo | 1998-05-19 |
| 5592926 | Method of detecting misfire of engine ignition system and device for carrying out the same | Noriaki Kondo, Hiroshi Inagaki | 1997-01-14 |
| 5581188 | Misfire detecting device | Noriaki Kondo | 1996-12-03 |
| 5554930 | Spark plug voltage probe device in an internal combustion engine | Hideji Yoshida, Yoshihiro Matsubara, Yasuo Ito, Takashi Suzuki | 1996-09-10 |
| 5543716 | Sparkplug voltage probe for use with an internal combustion engine by clamping sparkplug cables with an insulation base | Yoshitaka Yamada, Hideji Yoshida, Yoshihiro Matsubara, Yasuo Ito | 1996-08-06 |
| 5503132 | Device for detecting misfire of internal combustion engine equipped with double-ended distributorless ignition system | Noriaki Kondo, Hiroshi Inagaki, Masaru Kondou | 1996-04-02 |
| 5491417 | Sparkplug voltage probe device having a capacitance compensating function for an internal combustion engine | Yoshitaka Yamada, Hideji Yoshida, Yoshihiro Matsubara, Yasuo Ito | 1996-02-13 |
| 5477148 | Spark plug voltage probe device for use in an internal combustion engine | Hideji Yoshida, Yoshihiro Matsubara, Yasuo Ito, Takashi Suzuki | 1995-12-19 |
| 5453694 | Snap-in type sparkplug voltage probe device for use in internal combustion engine | Yoshitaka Yamada, Hideji Yoshida, Yoshihiro Matsubara, Yasuo Ito | 1995-09-26 |
| 5450013 | Spark plug voltage detector probe having a replaceable cable fixing portion | Noriaki Kondo | 1995-09-12 |
| 5426370 | Spark plug voltage probe device for detecting a burning condition and reducing noise level in an internal combustion engine | Yoshitaka Yamada, Hideji Yoshida, Yoshihiro Matsubara, Yasuo Ito | 1995-06-20 |
| 5400760 | Misfire detector device for internal combustion engine | Yasuo Ito | 1995-03-28 |
| 5365910 | Misfire detector for use in internal combustion engine | Hideji Yoshida, Yoshihiro Matsubara, Yasuo Ito | 1994-11-22 |
| 5355056 | Sparkplug voltage detecting probe device for use in internal combustion engine | Yasuo Ito, Hideji Yoshida | 1994-10-11 |
| 5347855 | Misfire detector device for use in an internal combustion engine | Yoshihiro Matsubara, Junichi Kagawa | 1994-09-20 |
| 5347856 | Misfire detector device for use in an internal combustion engine | Yoshihiro Matsubara, Junichi Kagawa | 1994-09-20 |