Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12098669 | Two-stroke engine | Kuniyoshi ETO, Takuo Yoshizaki | 2024-09-24 |
| 10495017 | Portable working machine including engine with carburetor and fuel supply control method thereof | Takumi Nonaka, Toru Kono, Genichi Sato, Yuta Iihara | 2019-12-03 |
| 10060392 | Stratified scavenging two-stroke internal combustion engine and carburetor thereof | Takahiro Yamazaki, Takamasa Otsuji | 2018-08-28 |
| 10024224 | Rotary carburetor for two-stroke internal combustion engine | Takahiro Yamazaki, Takamasa Otsuji, Hidekazu Tsunoda | 2018-07-17 |
| 9903314 | Carburetor for stratified scavenging two-stroke engine | Takamasa Otsuji | 2018-02-27 |
| 8955475 | Two-stroke internal combustion engine | Takahiro Yamazaki, Ken Shirai, Masaru Nozawa | 2015-02-17 |
| 8353262 | Two-stroke internal combustion engine | Naoki Koga, Ken Shirai, Daisuke Yamada | 2013-01-15 |
| 7255072 | Two-stroke internal combustion engine | — | 2007-08-14 |
| 7243622 | Two-stroke internal combustion engine | Kazuhiro Tsutsui, Takuo Yoshizaki | 2007-07-17 |
| 6600148 | Polarization mode dispersion measuring method and polarization mode dispersion measuring system | — | 2003-07-29 |