Issued Patents 2004
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823722 | Adsorbent state determining apparatus | Hideharu Yamazaki, Kei Machida | 2004-11-30 |
| 6820416 | Exhaust emission control system for an internal combustion engine | Shiro Takakura, Kei Machida | 2004-11-23 |
| 6820413 | State determining apparatus for exhaust gas purifier | Yoshihisa Iwaki, Shiro Takakura, Yasuyuki Miyahara, Tadashi Sato | 2004-11-23 |
| 6799420 | Method of evaluating deteriorated state of hydrocarbon adsorbent | Tetsuo Endo, Hideharu Yamazaki, Shiro Takakura, Kei Machida, Yasuyuki Miyahara +1 more | 2004-10-05 |
| 6798625 | Spin-valve magnetoresistance sensor and thin-film magnetic head | Kiyotaka Tabuchi, Tatsuo Sawasaki, Hiroshi Nishida, Kazuhiro Mizukami, Fuminori Hikami | 2004-09-28 |
| 6792749 | Exhaust gas purifying apparatus for internal combustion engine | Shiro Takakura, Yasuyuki Miyahara, Tadashi Sato | 2004-09-21 |
| 6791807 | Spin-valve magnetic transducing element and magnetic head having free layer with negative magnetostriction | Fuminori Hikami, Hideyasu Nagai, Marcos M. Lederman, Hirohiko Kamimura, Masahiko Ando +1 more | 2004-09-14 |
| 6773504 | Oxygen doping method to gallium nitride single crystal substrate and oxygen-doped N-type gallium nitride freestanding single crystal substrate | Kensaku Motoki | 2004-08-10 |
| 6769417 | Apparatus for evaluating deteriorated state of hydrocarbon adsorbent | Hideharu Yamazaki, Tetsuo Endo | 2004-08-03 |
| 6763655 | Catalyst state detector for exhaust gas purifying catalyst | Shusuke Akazaki, Masahiro Sato, Hideharu Yamazaki, Tetsuo Endo, Yoshihisa Iwaki +2 more | 2004-07-20 |
| 6758038 | Temperature estimating apparatus for internal combustion engine | Yoshihisa Iwaki, Masahiro Sato, Hideharu Yamazaki | 2004-07-06 |
| 6758033 | State determining apparatus for exhaust gas purifier | Yoshihisa Iwaki, Masahiro Sato, Tetsuo Endo, Shiro Takakura | 2004-07-06 |
| 6698186 | Air-fuel ratio controller for internal combustion engines | Shusuke Akazaki, Yoshihisa Iwaki, Hiroshi Kitagawa | 2004-03-02 |
| 6681567 | Control system for internal combustion engine | Yuji Yasui, Shusuke Akazaki, Yoshihisa Iwaki, Masahiro Sato | 2004-01-27 |