Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605366 | Pressure ring | Takashi Koyama, Hiroshi Yaguchi, Yusuke Morita, Takashi Suzuki | 2020-03-31 |
| 9488135 | Flow rate controller of internal combustion engine | Akira Yamashita, Kazuhiro Mori, Koichiro Nakatani | 2016-11-08 |
| 8332129 | Internal combustion engine exhaust gas system and control method of the same | Takafumi Yamada | 2012-12-11 |
| 8261755 | Fuel injection system of compression ignition internal combustion engine | Takashi Koyama, Masahiro Nagae, Kiyoshi Fujiwara, Tomohiro Kaneko, Takafumi Yamada +2 more | 2012-09-11 |
| 8131449 | Fuel injection control apparatus and fuel injection control method for internal combustion engine | Takashi Koyama, Kiyoshi Fujiwara, Tomohiro Kaneko, Takahumi Yamada | 2012-03-06 |
| 7861686 | Fuel injection control apparatus and fuel injection control method | Seiji Ogura, Takashi Koyama | 2011-01-04 |
| 7464542 | Exhaust gas purification system for internal combustion engine | Shunsuke Toshioka, Masaaki Kobayashi, Masaaki Yamaguchi, Kotaro Hayashi | 2008-12-16 |
| 7308654 | Information processing apparatus, menu processing method and recording medium storing a menu processing program | Masato Ageta, Chikako Kariya, Toshihisa Masuzawa, Yuji Aoyama, Mitsuru Kodama +1 more | 2007-12-11 |
| 7246485 | Exhaust gas purifying device and method for internal combustion engine | Masaaki Kobayashi, Naofumi Magarida, Daisuke Shibata, Shinobu Ishiyama, Akihiko Negami | 2007-07-24 |
| 7165394 | Exhaust gas purification system for internal combustion engine | Shunsuke Toshioka, Masaaki Kobayashi, Masaaki Yamaguchi, Kotaro Hayashi | 2007-01-23 |
| 6922988 | Exhaust emission control apparatus and method for internal combustion engine | Masaaki Yamaguchi, Masaaki Kobayashi, Daisuke Shibata | 2005-08-02 |
| 5996347 | Variable-nozzle type turbo charger | Masahiro Nagae, Kouichi Akita | 1999-12-07 |
| 4400944 | Air-fuel ratio control method and apparatus for internal combustion engines | Kenzi Iwamoto, Makoto Kuroyanagi, Hisasi Kawai, Kunimasa Yoshimura, Hidetaka Nohira +1 more | 1983-08-30 |
| 4237826 | Multi-cylinder internal combustion engine equipped with an accumulation chamber | Katsuhiko Motosugi, Setsuro Sekiya, Hidetaka Nohira, Sumio Ito, Teruo Kumai | 1980-12-09 |
| 4191135 | Combustion chamber of an internal combustion engine | Hidetaka Nohira, Sumio Ito | 1980-03-04 |