Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983733 | Direct-injection spark-ignition engine | Hiroyuki Yamashita, Fumihiko Saito, Keiji Araki | 2006-01-10 |
| 6725649 | Control apparatus for a direct-injection, spark-ignition engine | Hiroyuki Yamashita, Masashi Marubara, Hiroyuki Yoshida | 2004-04-27 |
| 6684848 | Direct-injection spark-ignition engine | Fumihiko Saito, Hiroyuki Yamashita, Masashi Marubara, Masatoshi Seto, Hiroyuki Yoshida +2 more | 2004-02-03 |
| 6681739 | Control device for direct-injection spark-ignition engine and method of setting fuel injection timing of the same | Kiyotaka Mamiya, Masayuki Tetsuno, Takeo Yamauchi | 2004-01-27 |
| 6672277 | Direct-injection spark ignition engine | Takehiko Yasuoka, Hiroyuki Yamashita, Masatoshi Seto, Masakazu Matsumoto, Fumihiko Saito +1 more | 2004-01-06 |
| 5808940 | Nonvolatile semiconductor memory | Noriaki Kodama, Toshikatsu Jinbo | 1998-09-15 |
| 5691937 | Structure of split gate transistor for use in a non-volatile semiconductor memory and method of manufacturing such a split gate transistor | — | 1997-11-25 |
| 5557123 | Nonvolatile semiconductor memory device with shaped floating gate | — | 1996-09-17 |