Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291143 | Spark ignition internal combustion engine and control method of spark ignition internal combustion engine | — | 2016-03-22 |
| 9133794 | EGR gas cooling device for hybrid vehicle and EGR gas cooling method for hybrid vehicle | Yuko Mito | 2015-09-15 |
| 8607545 | Air-fuel ratio control device | Yoshiyuki Ootake, Yasuji Ishizuka | 2013-12-17 |
| 8606446 | Control system of hybrid vehicle | Takao Ito, Yoshiyuki Ootake, Tetsuya Iwasaki, Takashi Ogino, Yasuhiro Konishi +1 more | 2013-12-10 |
| 8176728 | Air-fuel ratio control device | Yoshiyuki Ootake, Yasuji Ishizuka | 2012-05-15 |
| 8141343 | Air-fuel ratio control apparatus | Hiroyuki Nagai, Yoshiyuki Ootake, Yasuji Ishizuka | 2012-03-27 |
| 8034975 | Method of manufacturing succinic acid and ammonium succinate solutions | Kiyohiko Nishi, Hiroshi Kaneko, Hirofumi Tasaki, Tetsuo Tanegawa, Seisaku Furuya +2 more | 2011-10-11 |
| 7536999 | Air-fuel ratio control apparatus | Yoshiyuki Ootake, Yasuji Ishizuka, Kenichi Sato | 2009-05-26 |
| 7169078 | Engine idle speed control device | Tsuyoshi Ishikawa, Eri Imai | 2007-01-30 |
| 7141000 | Engine idle speed control device | Tomoya Mori, Eri Imai | 2006-11-28 |
| 6331214 | Monolithically bonded construct of rare-earth magnet and metal material and method for bonding same | Nobutaka Suzuki, Hitoshi Saitoh, Kenshiro Oyamada, Koki Tokuhara, Shuji Mino +2 more | 2001-12-18 |