Issued Patents All Time
Showing 26–50 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138778 | Exhaust purification system of internal combustion engine | Kazuhiro Ito, Daichi Imai, Yoshihisa Tsukamoto, Hiroshi Otsuki, Yasumasa Notake | 2018-11-27 |
| 10071369 | Method of making a particulate filter carry a catalyst | Hiroshi Otsuki, Kazuhiro Ito, Daichi Imai, Yoshihisa Tsukamoto, Yasumasa Notake | 2018-09-11 |
| 9988960 | Exhaust gas control apparatus of internal combustion | Yoshihisa Tsukamoto, Kazuhiro Itoh, Daichi Imai, Hiroshi Ohtsuki, Yasumasa Notake | 2018-06-05 |
| 9988962 | Exhaust emission control system of internal combustion engine | Daichi Imai, Kiyoshi Fujiwara, Yoshio Yamashita | 2018-06-05 |
| 9889406 | Exhaust gas purification apparatus for internal combustion engine | Kazuhiro Itoh, Yoshihisa Tsukamoto, Hiroshi Ohtsuki, Yasumasa Notake | 2018-02-13 |
| 9884293 | Exhaust gas purification apparatus for internal combustion engine | Kazuhiro Itoh, Yoshihisa Tsukamoto, Hiroshi Ohtsuki, Yasumasa Notake | 2018-02-06 |
| 9879585 | Exhaust purification device for internal combustion engine | Yoshihisa Tsukamoto, Kazuhiro Itoh, Daichi Imai, Hiroshi Otsuki, Yasumasa Notake | 2018-01-30 |
| 9861959 | Catalyst composition and exhaust gas purifying method | Kenji Sakurai, Shigeki Nakayama, Hiroyuki Hayashida, Yoshikazu Hirose | 2018-01-09 |
| 9840954 | Exhaust purification device for internal combustion engine | Kazuhiro Ito, Yoshihisa Tsukamoto, Hiroshi Otsuki, Yasumasa Notake, Daichi Imai +1 more | 2017-12-12 |
| 9790828 | Exhaust purification system for internal combustion engine | Daichi Imai, Kazuhiro Itou | 2017-10-17 |
| 9718026 | Exhaust gas purification filter | Hiroshi Otsuki, Yoshihisa Tsukamoto, Daichi Imai, Kazuhiro Itoh, Ryota Koutake | 2017-08-01 |
| 9689296 | Exhaust purification device for internal combustion engine | Kazuhiro Itoh, Daichi Imai, Ryota Koutake | 2017-06-27 |
| 9677442 | Sulfur concentration determination system for an internal combustion engine | Daichi Imai | 2017-06-13 |
| 9598997 | Exhaust gas purification apparatus of internal combustion engine | Kazuhiro Itoh, Yoshihisa Tsukamoto, Hiroshi Ohtsuki, Yasumasa Notake, Hiroki Murata | 2017-03-21 |
| 9394816 | Particulate filter | Shigeki Nakayama, Daichi Imai, Hiroshi Otsuki | 2016-07-19 |
| 9255505 | Exhaust purification device for internal combustion engine | Shigeki Nakayama, Daichi Imai, Hiroshi Otsuki | 2016-02-09 |
| 9181842 | Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engine | Kazuhiro Umemoto, Yoshihisa Tsukamoto, Junichi Matsuo, Takamitsu Asanuma, Takao Fukuma +3 more | 2015-11-10 |
| 9108153 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Yoshihisa Tsukamoto, Yuki Bisaiji, Junichi Matsuo, Takamitsu Asanuma | 2015-08-18 |
| 9080480 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2015-07-14 |
| 9057298 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2015-06-16 |
| 9057299 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2015-06-16 |
| 9017614 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Kohei Yoshida, Yuki Bisaiji, Junichi Matsuo, Takamitsu Asanuma | 2015-04-28 |
| 9011569 | Particulate filter | Hiroshi Otsuki, Shigeki Nakayama, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2015-04-21 |
| 8955313 | Exhaust purification system of internal combustion engine | Junichi Matsuo, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Hiroshi Otsuki, Shigeki Nakayama | 2015-02-17 |
| 8887492 | Exhaust gas purification apparatus of an internal combustion engine | Yuka Nakata, Hiroshi Otsuki, Kohei Yoshida, Takamitsu Asanuma | 2014-11-18 |