Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909578 | Turbo machine, compressor impeller used for turbo machine, and method of manufacturing turbo machine | Toshihiko Nishiyama, Keiichi Inaba, Tetsuaki Ogawa, Takahisa Iino | 2011-03-22 |
| 7223077 | Structure for connecting compressor wheel and shaft | Toshihiko Nishiyama, Takahisa Iino, Tetsuaki Ogawa, Hiroyasu Satou | 2007-05-29 |
| 7043913 | Turbocharger | Toshihiko Nishiyama, Takahisa Iino, Tetsuaki Ogawa | 2006-05-16 |
| 6907733 | Variable turbocharger | Toshihiko Nishiyama, Takahisa Iino | 2005-06-21 |
| 6769255 | Variable nozzle opening control system for an exhaust turbine supercharger | Toshihiko Nishiyama, Takahisa Iino | 2004-08-03 |
| 4481773 | Turbo-supercharging system for internal combustion engines | Tamotsu Kasuya | 1984-11-13 |