Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425367 | Compression self-ignition gasoline internal combustion engine | Akihiro Iiyama, Tomonori Urushihara, Kazuya Hasegawa, Tsuyoshi Taniyama | 2002-07-30 |
| 6386177 | System and method for auto-ignition of gasoline internal combustion engine | Tomonori Urushihara | 2002-05-14 |
| 6267097 | Compression self-igniting gasoline engine | Tomonori Urushihara, Kazuya Hasegawa, Ken Naitoh, Tsuyoshi Taniyama, Akihiro Ilyama | 2001-07-31 |
| 6138639 | In-cylinder direct-injection spark-ignition engine | Masayuki Zaima | 2000-10-31 |