Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8304974 | Fluorescent lamp | Satoru Watanabe, Naomichi Miyakawa, Kazunari Watanabe, Setsuro Ito | 2012-11-06 |
| 8225596 | Exhaust purification device of internal combustion engine | Shunsuke Toshioka, Tomihisa Oda | 2012-07-24 |
| 8132403 | Method of estimating quantity of N2O produced in ammonia oxidation catalyst and exhaust gas purification system for internal combustion engine | Shunsuke Toshioka, Tomihisa Oda | 2012-03-13 |
| 8133444 | Exhaust gas purification system for internal combustion engine | Shunsuke Toshioka, Tomihisa Oda | 2012-03-13 |
| 7296401 | Device for purifying the exhaust gas of an internal combustion engine | Takamitsu Asanuma, Toshiaki Tanaka, Shinya Hirota, Koichiro Nakatani, Koichi Kimura +3 more | 2007-11-20 |
| 7272924 | Exhaust gas purification device of internal combustion engine | Toshiaki Tanaka, Eiji Iwasaki, Shinya Hirota | 2007-09-25 |
| 7153336 | Exhaust gas purifying apparatus, particulate filter and manufacturing method thereof | Shinya Hirota, Koichiro Nakatani | 2006-12-26 |
| 7086222 | Exhaust gas purification device of internal combustion engine | Toshiaki Tanaka, Eiji Iwasaki, Shinya Hirota | 2006-08-08 |
| 7086223 | Exhaust gas purification device of internal combustion engine | Toshiaki Tanaka, Eiji Iwasaki, Shinya Hirota | 2006-08-08 |
| 7059113 | Exhaust gas purification device | Shinya Hirota, Toshiaki Tanaka, Takamitsu Asanuma, Koichiro Nakatani, Koichi Kimura | 2006-06-13 |
| 6988360 | Exhaust emission purification device for internal combustion engine | Koichi Kimura, Shinya Hirota, Yoshimitsu Henda, Takamitsu Asanuma, Shunsuke Toshioka +3 more | 2006-01-24 |
| 6977560 | Input/output coupling structure for dielectric waveguide resonator | Kazuhisa Sano | 2005-12-20 |
| 6972045 | Substrate used for exhaust gas purification and method of fabrication thereof | — | 2005-12-06 |
| 6959540 | Exhaust gas purification device of internal combustion engine | Toshiaki Tanaka, Eiji Iwasaki, Shinya Hirota | 2005-11-01 |
| 6955041 | Exhaust gas purifying apparatus for internal combustion engine | Shinichi Takeshima, Shinya Hirota, Takamitsu Asanuma, Yasuaki Nakano, Kohei Yoshida | 2005-10-18 |
| 6901750 | Exhaust emission control apparatus and method for internal combustion engine | Shunsuke Toshioka, Shinya Hirota, Yoshimitsu Henda, Takamitsu Asanuma, Koichi Kimura +4 more | 2005-06-07 |
| 6898930 | Exhaust gas purification device | Koichiro Nakatani, Shinya Hirota, Shunsuke Toshioka, Takamitsu Asanuma, Koichi Kimura +1 more | 2005-05-31 |
| 6874315 | Exhaust gas purification device | Koichiro Nakatani, Shinya Hirota, Takamitsu Asanuma, Koichi Kimura, Kiyoshi Nakanishi +1 more | 2005-04-05 |
| 6837043 | Device for purifying the exhaust gas of an internal combustion engine | Koichiro Nakatani, Shinya Hirota, Yoshimitsu Henda, Takamitsu Asanuma, Koichi Kimura +3 more | 2005-01-04 |
| 6823665 | Exhaust gas purification device | Shinya Hirota, Toshiaki Tanaka, Takamitsu Asanuma, Koichiro Nakatani, Koichi Kimura | 2004-11-30 |
| 6820418 | Exhaust gas purification apparatus | Koichiro Nakatani, Toshiaki Tanaka, Shinya Hirota, Takamitsu Asanuma | 2004-11-23 |
| 6786041 | Exhaust gas purification method and exhaust gas purification apparatus | Toshiaki Tanaka, Shinya Hirota, Koichi Kimura, Koichiro Nakatani | 2004-09-07 |
| 6769245 | Exhaust gas purification method | Toshiaki Tanaka, Shinya Hirota, Koichi Kimura, Koichiro Nakatani | 2004-08-03 |
| 6725651 | Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agent | Toshiaki Tanaka, Shinya Hirota, Koichiro Nakatani, Shigeki Daido, Naohisa Oyama | 2004-04-27 |
| 6681566 | Exhaust purifying method and apparatus of an internal combustion engine | Toshiaki Tanaka, Shinya Hirota, Takamitsu Asanuma, Koichi Kimura, Koichiro Nakatani | 2004-01-27 |