Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808586 | Exhaust gas purification apparatus for an internal combustion engine | Hiroshi Kobayashi, Toshihiro Mori, Keiichiro Aoki | 2020-10-20 |
| 10753249 | Exhaust emission control device for internal combustion engine | Ryohei Ono, Masaaki Sato, Katsuhiro Ito, Akira Mikami, Kazuhiro Umemoto | 2020-08-25 |
| 10753306 | Exhaust gas purification system for internal combustion engine | Toshihiro Mori | 2020-08-25 |
| 10704439 | Exhaust gas purification apparatus for an internal combustion engine | Hiroshi Kobayashi | 2020-07-07 |
| 10683785 | Exhaust gas purification apparatus for an internal combustion engine | Hiroshi Kobayashi | 2020-06-16 |
| 10677125 | Exhaust gas purification apparatus for internal combustion engine | Ryohei Ono, Masaaki Sato, Katsuhiro Ito, Akira Mikami, Kazuhiro Umemoto | 2020-06-09 |
| 10648391 | Abnormality diagnosis system for an exhaust gas purification apparatus | Ryohei Ono, Masaaki Sato, Katsuhiro Ito, Akira Mikami, Kazuhiro Umemoto | 2020-05-12 |
| 10309285 | Exhaust gas control system for internal combustion engine | Hiromasa Nishioka, Kiyoshi Fujiwara, Yoshio Yamashita, Kouta Tanaka | 2019-06-04 |
| 10302000 | Exhaust gas control system for internal combustion engine | Hiromasa Nishioka, Kiyoshi Fujiwara, Yoshio Yamashita, Kouta Tanaka | 2019-05-28 |
| 10294838 | Exhaust purification filter | Kazuhiro Itoh, Hiromasa Nishioka, Yoshihisa Tsukamoto, Hiroshi Otsuki, Ryota Koutake | 2019-05-21 |
| 10138778 | Exhaust purification system of internal combustion engine | Hiromasa Nishioka, Kazuhiro Ito, Yoshihisa Tsukamoto, Hiroshi Otsuki, Yasumasa Notake | 2018-11-27 |
| 10071369 | Method of making a particulate filter carry a catalyst | Hiroshi Otsuki, Hiromasa Nishioka, Kazuhiro Ito, Yoshihisa Tsukamoto, Yasumasa Notake | 2018-09-11 |
| 9988962 | Exhaust emission control system of internal combustion engine | Hiromasa Nishioka, Kiyoshi Fujiwara, Yoshio Yamashita | 2018-06-05 |
| 9988960 | Exhaust gas control apparatus of internal combustion | Yoshihisa Tsukamoto, Kazuhiro Itoh, Hiromasa Nishioka, Hiroshi Ohtsuki, Yasumasa Notake | 2018-06-05 |
| 9879585 | Exhaust purification device for internal combustion engine | Yoshihisa Tsukamoto, Kazuhiro Itoh, Hiromasa Nishioka, Hiroshi Otsuki, Yasumasa Notake | 2018-01-30 |
| 9840954 | Exhaust purification device for internal combustion engine | Hiromasa Nishioka, Kazuhiro Ito, Yoshihisa Tsukamoto, Hiroshi Otsuki, Yasumasa Notake +1 more | 2017-12-12 |
| 9790828 | Exhaust purification system for internal combustion engine | Kazuhiro Itou, Hiromasa Nishioka | 2017-10-17 |
| 9718026 | Exhaust gas purification filter | Hiroshi Otsuki, Hiromasa Nishioka, Yoshihisa Tsukamoto, Kazuhiro Itoh, Ryota Koutake | 2017-08-01 |
| 9689296 | Exhaust purification device for internal combustion engine | Hiromasa Nishioka, Kazuhiro Itoh, Ryota Koutake | 2017-06-27 |
| 9677442 | Sulfur concentration determination system for an internal combustion engine | Hiromasa Nishioka | 2017-06-13 |
| 9421535 | Exhaust gas purifying catalyst | Toshiyuki Tanaka, Tsuyoshi Hamaguchi, Takanori Murasaki, Masao Watanabe | 2016-08-23 |
| 9394816 | Particulate filter | Shigeki Nakayama, Hiromasa Nishioka, Hiroshi Otsuki | 2016-07-19 |
| 9255505 | Exhaust purification device for internal combustion engine | Shigeki Nakayama, Hiromasa Nishioka, Hiroshi Otsuki | 2016-02-09 |
| 9181842 | Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engine | Kazuhiro Umemoto, Hiromasa Nishioka, Yoshihisa Tsukamoto, Junichi Matsuo, Takamitsu Asanuma +3 more | 2015-11-10 |
| 9080480 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2015-07-14 |