Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9726070 | Stratified scavenging two-stroke engine | Yoshifumi Watanabe, Hideaki Hirano, Junichi Masuda | 2017-08-08 |
| 9719416 | Stratified scavenging two-stroke engine | Junichi Masuda, Yoshifumi Watanabe, Hideaki Hirano | 2017-08-01 |
| 9316145 | Two-stroke engine | — | 2016-04-19 |
| 6830030 | Four-cycle engine | Masaharu Shimoji, Junichi Ueda, Hidenori Hiraki | 2004-12-14 |
| 6766784 | Four-cycle engine | Hidenori Hiraki, Tadafumi MIYAMOTO, Yuki Terada | 2004-07-27 |
| 6655335 | Small engine for power tools | Hisau Kodama, Hidenori Hiraki | 2003-12-02 |
| 6145484 | Four-cycle engine having improved lubricating mechanism | Hirokazu Funakoshi, Kazuaki Aizawa | 2000-11-14 |
| 6116581 | Choke system for a small four-cycle engine | Mitsunori Watanabe, Takanobu Koguchi | 2000-09-12 |
| 6109230 | Decompression device for an engine | Mitsunori Watanabe, Takanobu Koguchi | 2000-08-29 |