Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8707685 | Exhaust gas purification device for internal combustion engine | Yasumichi Aoki, Kazuki Nishizawa, Tomotsugu Masuda | 2014-04-29 |
| 8596115 | Exhaust gas pressure loss calculation device for engine | Tomohide Yamada, Satoshi Yamada, Kazuki Nishizawa | 2013-12-03 |
| 8546968 | Wind turbine generator, active damping method thereof, and windmill tower | Tsuyoshi Wakasa, Yoshiyuki Hayashi, Masaaki Shibata | 2013-10-01 |
| 8479716 | Exhaust gas re-circulation control unit for a diesel engine | Satoshi Iwasaki | 2013-07-09 |
| 8395273 | Wind turbine generator, active damping method thereof, and windmill tower | Tsuyoshi Wakasa, Yoshiyuki Hayashi, Masaaki Shibata | 2013-03-12 |
| 8299643 | Wind turbine generator, active damping method thereof, and windmill tower | Tsuyoshi Wakasa, Yoshiyuki Hayashi, Masaaki Shibata | 2012-10-30 |
| 8286420 | DPF accumulation amount estimating apparatus | — | 2012-10-16 |
| 8217524 | Wind turbine generator and blade pitch angle control method thereof | Takumi Nakashima, Mitsuya Baba, Yoshiyuki Hayashi | 2012-07-10 |
| 8115331 | Wind turbine generator, active damping method thereof, and windmill tower | Tsuyoshi Wakasa, Yoshiyuki Hayashi, Masaaki Shibata | 2012-02-14 |
| 8104457 | Diesel engine system with exhaust gas recirculation | Hiroyuki Endo, Shinichi Sato, Akihide Okajima | 2012-01-31 |
| 8026623 | Wind turbine generator, active damping method thereof, and windmill tower | Tsuyoshi Wakasa, Yoshiyuki Hayashi, Masaaki Shibata | 2011-09-27 |
| 7692322 | Wind turbine generator, active damping method thereof, and windmill tower | Tsuyoshi Wakasa, Yoshiyuki Hayashi, Masaaki Shibata | 2010-04-06 |
| 7452185 | Blade-pitch-angle control device and wind power generator | Yoshiyuki Hayashi, Masaaki Shibata | 2008-11-18 |