Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649783 | Combustion chamber structure for internal combustion engine | Motonari Yarino, Atsushi Inoue | 2023-05-16 |
| 11008931 | Pre-chamber type internal combustion engine | — | 2021-05-18 |
| 10982587 | Pre-chamber type internal combustion engine | — | 2021-04-20 |
| 10934927 | Pre-chamber type internal combustion engine | Shohei HAMADA, Akira Kato | 2021-03-02 |
| 10202931 | Internal combustion engine | Hisaki Ito | 2019-02-12 |
| 10202930 | Internal combustion engine | Hisaki Ito, Tsutomu Kawae | 2019-02-12 |
| 10190527 | Control system of compression ignition type internal combustion engine | Hajime Shimizu, Yusuke Takasu | 2019-01-29 |
| 9874188 | Fuel injection valve | Hisaki Ito, Tsutomu Kawae | 2018-01-23 |
| 9790852 | Condensed water treatment device for internal combustion engine | Hisaki Ito, Takeshi Hashizume | 2017-10-17 |
| 9784223 | Condensed water treatment device for internal combustion engine | Takeshi Hashizume | 2017-10-10 |
| 9695728 | Condensed water treatment device for internal combustion engine | Takeshi Hashizume | 2017-07-04 |
| 9624879 | Condensed water treatment device for internal combustion engine | Takeshi Hashizume | 2017-04-18 |
| 9605637 | Fuel injection valve | Tsutomu Kawae | 2017-03-28 |
| 9347384 | Control device for internal combustion engine | Shinobu Ishiyama, Takashi Ogawa | 2016-05-24 |
| 8367269 | Separator unit | Kenji Kato, Yoshihiro Tamura, Toshihiko Nonobe | 2013-02-05 |
| 8293427 | Separator unit and fuel cell stack | Toshihiko Nonobe | 2012-10-23 |
| 8197986 | Fuel cell device | Toshihiko Nonobe | 2012-06-12 |
| 7874278 | Intake port of internal combustion engine | Yasuo Sato, Osamu Horikoshi, Masanobu Nishiwaki | 2011-01-25 |
| 7776491 | Separator unit and fuel cell stack | Kenji Kato, Yoshihiro Tamura, Toshihiko Nonobe | 2010-08-17 |
| 7137442 | Vapor chamber | Youji Kawahara, Masataka Mochizuki, Koichi Mashiko, Yuji Saito, Tetsuya Kobayashi +4 more | 2006-11-21 |
| 7029775 | Fuel cell system | Munehisa Horiguchi | 2006-04-18 |
| 6599095 | Pump-off control method of pump jack | Takayuki Yamakawa, Hidetoshi Ryu, Tetsuo Kawano, Koji Kawamoto, Toshio Miyano +2 more | 2003-07-29 |
| 6511765 | Fuel cell system | Masataka Ueno, Kenji Kato, Munehisa Horiguchi | 2003-01-28 |
| 6294277 | Fuel cell system | Masataka Ueno, Kenji Kato, Munehisa Horiguchi | 2001-09-25 |
| 6238814 | Fuel cell system | Munehisa Horiguchi, Masataka Ueno | 2001-05-29 |