Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11626290 | Method, device, and system for etching silicon oxide film | Osamu Yokoyama, Kwangpyo Choi, Kazuki Hashimoto, Takashi Kobayashi, Takashi Sakuma +1 more | 2023-04-11 |
| 9518543 | Fuel supply system and fuel supply method for internal combustion engine | Hideaki Kosuge, Susumu Kojima, Tomojiro Sugimoto, Masayuki Akita, Jin Tanaka +2 more | 2016-12-13 |
| 8887698 | Fuel feed system | Susumu Kojima, Tomojiro Sugimoto, Jun Yamada, Kazuhiro Yonesige, Makoto Nakagawa | 2014-11-18 |
| 8370049 | Control system of internal combustion engine | Yasuyuki Irisawa, Koji Aso, Tomojiro Sugimoto, Hiroshi Tanaka | 2013-02-05 |
| 6289870 | Direct fuel injection-type spark-ignition internal combustion engine | Mutsumi Kanda, Toshimi Kashiwagura, Fumiaki Hattori | 2001-09-18 |
| 4925110 | Fuel injection valve for an internal combustion engine having a pillar opposing a fuel injection hole | Keiso Takeda, Kiyoshi Nakanishi, Taiyo Kawai | 1990-05-15 |