Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157336 | Waste heat recovery structure for steel making electric arc furnaces, steel making electric arc furnace facility, and waste heat recovery method for steel making electric arc furnaces | Nobuyuki Fujikura, Masanari Yamazaki, Masayuki Watanabe, Yoshinori Okuyama | 2015-10-13 |
| RE41823 | Leak check for fuel vapor purge system | Makoto Miwa, Syujiro Morinaga, Yoshinori Maegawa | 2010-10-19 |
| 7797924 | Abnormality diagnosis apparatus for secondary air supply system of engine | Masahiko Yamaguchi, Satoshi Kodo | 2010-09-21 |
| RE41660 | Fuel vapor control system with leak check | Syujiro Morinaga, Yoshinori Maegawa, Makoto Miwa | 2010-09-14 |
| 7757649 | Controller, cooling system abnormality diagnosis device and block heater determination device of internal combustion engine | — | 2010-07-20 |
| 7743651 | Method for detecting malfunction of a cooling system based on detected coolant temperature | Akira Ichikawa | 2010-06-29 |
| 7483781 | Engine control apparatus | Takeshi Fujimoto | 2009-01-27 |
| 7409284 | Apparatus for estimating air-fuel ratios and apparatus for controlling air-fuel ratios of individual cylinders in internal combustion engine | Akihiro Okamoto, Masayuki Kita | 2008-08-05 |
| 7397148 | Vehicular anomaly diagnosis system | Takeshi Fujimoto | 2008-07-08 |
| 7363804 | Method for detecting malfunction of a cooling system based on detected coolant temperature | Akira Ichikawa | 2008-04-29 |
| 7356985 | Air-fuel ratio controller for internal combustion engine | Yasuo Hirata, Akihiro Okamoto | 2008-04-15 |
| 7316223 | Device for detecting malfunction in evaporated gas purging system | — | 2008-01-08 |
| 7260928 | Diagnostic device for secondary air supply system | Masahiko Yamaguchi | 2007-08-28 |
| 7168399 | Abnormality diagnosis apparatus and engine cooling system having the same | — | 2007-01-30 |
| 7146851 | Diagnostic apparatus for variable valve control system | Hirofumi Shoda | 2006-12-12 |
| 7140241 | Leak-check apparatus of fuel-vapor-processing system, fuel-temperature estimation apparatus and fuel-temperature-sensor diagnosis apparatus | — | 2006-11-28 |
| 7137295 | Thermostat malfunction detecting system for engine cooling system | Akira Ichikawa | 2006-11-21 |
| 7047799 | Thermostat malfunction detecting system for engine cooling system | Akira Ichikawa | 2006-05-23 |
| 7024926 | Thermostat malfunction detecting system for engine cooling system | Akira Ichikawa | 2006-04-11 |
| 7010967 | Thermostat malfunction detecting system for engine cooling system | Akira Ichikawa | 2006-03-14 |
| 6968268 | Misfire detector for an internal combustion engine | Jun Yamada, Yoshinori Ma gawa | 2005-11-22 |
| 6957570 | Thermostat malfunction detecting system for engine cooling system | Akira Ichikawa | 2005-10-25 |
| 6904792 | Abnormality diagnosing apparatus for vehicle | — | 2005-06-14 |
| 6898927 | Emission control system with catalyst warm-up speeding control | Syujiro Morinaga, Hisashi Iida, Yoshihiro Majima, Tatsuya Oka, Akira Ichikawa +5 more | 2005-05-31 |
| 6892712 | Leak check for fuel vapor purge system | Makoto Miwa, Syujiro Morinaga, Yoshinori Maegawa | 2005-05-17 |