Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7444975 | Control of engine intake system | Shinji Kishi, Shinichi Sugihara, Toshihide Yamamoto | 2008-11-04 |
| 6725649 | Control apparatus for a direct-injection, spark-ignition engine | Hiroyuki Yamashita, Hiroyuki Yoshida, Noriyuki Ohta | 2004-04-27 |
| 6684848 | Direct-injection spark-ignition engine | Fumihiko Saito, Noriyuki Ohta, Hiroyuki Yamashita, Masatoshi Seto, Hiroyuki Yoshida +2 more | 2004-02-03 |
| 6152103 | Direct fuel injection ignition engine | Hidetoshi Kudo, Noriyuki Ota, Hiroyuki Yamashita | 2000-11-28 |
| 6067954 | Direct fuel injection engine | Hidetoshi Kudou, Noriyuki Ota, Hiroyuki Yamashita | 2000-05-30 |
| 5873344 | Direct fuel injection ignition engine | Hidetoshi Kudou, Hiroyuki Yamashita, Noriyuki Ota, Akira Kageyama | 1999-02-23 |
| 5161492 | Intake system for multi-cylinder engine | Mitsuo Hitomi, Toshihiko Hattori, Mikihito Fujii | 1992-11-10 |
| 5144918 | Intake system for engine | Toshimitsu Tanaka, Naoyuki Yamagata, Mitsuo Hitomi, Toshihiko Hattori, Mikihito Fujii | 1992-09-08 |
| 5125369 | Intake system for multi-cylinder engine | Mitsuo Hitomi, Toshihiko Hattori | 1992-06-30 |
| 5074258 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Toshihiko Hattori, Mikihito Fujii | 1991-12-24 |
| 4727845 | Air-fuel ratio control apparatus for engines | Masanori Misumi, Makoto Hotate, Hiroyuki Oda | 1988-03-01 |