Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7475675 | In-cylinder direct fuel-injection engine | Koji Hiraya, Masahiro Fukuzumi, Hirofumi Tsuchida | 2009-01-13 |
| 7234437 | Direct-injection internal combustion engine and combustion method therefor | Koji Hiraya, Masahiro Fukuzumi | 2007-06-26 |
| 7194999 | Combustion control apparatus for direct-injection spark-ignition internal combustion engine | Hitoshi Ishii, Mitsuhiro Akagi, Katsuaki Uchiyama, Masayuki Tomita, Akira Nakajima +2 more | 2007-03-27 |
| 7134421 | Direct fuel injection spark ignition internal combustion engine | Hitoshi Ishii, Mitsuhiro Akagi, Katsuaki Uchiyama | 2006-11-14 |
| 7104249 | Direct fuel injection/spark ignition engine control device | Hitoshi Ishii, Masayuki Tomita | 2006-09-12 |
| 6256145 | Method for improving image contrast with lessened scintillation in a rear projection display apparatus | Yasuaki Nakanishi | 2001-07-03 |