Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7658061 | Gas turbine engine provided with a foreign matter removal passage | Hiroki Nagata, Masayuki Fukutani, Mineyasu Oana | 2010-02-09 |
| 7437877 | Compressor having low-pressure and high-pressure compressor operating at optimum ratio between pressure ratios thereof and gas turbine engine adopting the same | Mineyasu Oana | 2008-10-21 |
| 6905310 | Impeller for centrifugal compressors | Mineyasu Oana | 2005-06-14 |
| 5653187 | Upper feed mechanism for sewing machine and sewing machine having the same | Wolf R. von Hagen | 1997-08-05 |