Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508718 | Internal combustion engine | Tsugio Ikeda, Masaji Narushima, Koichi Tsutsumi, Hiroto Takeichi | 2019-12-17 |
| 7270109 | Internal combustion engine | — | 2007-09-18 |
| 6428909 | Aluminum alloy member and production method thereof | Hiroyuki Oketani, Hiroyuki Uchida, Yuji Marui | 2002-08-06 |
| 6415748 | Exhaust control system in two-cycle internal combustion engine | Hiroyuki Uchida, Masaharu Ugai, Yasuo Sasamura | 2002-07-09 |
| 6394049 | Exhaust valve device for two-cycle engine | Junichi Ishida, Hiroyuki Uchida | 2002-05-28 |
| 6273036 | Exhaust control valve assembly for an engine | Hiroyuki Uchida | 2001-08-14 |
| 6253718 | Exhaust control valve assembly for an engine | Hiroyuki Uchida, Tsutomu Fukusho | 2001-07-03 |