Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6989915 | Image reading apparatus for optically reading image information recorded on sheetlike recording medium | Tomio Nagai, Toshiyasu Omata, Hideharu Ito | 2006-01-24 |
| 6354825 | Helical blade fluid compressor having an aluminum alloy rotating member | Takayoshi Fujiwara, Masayuki Okuda, Takuya Hirayama, Tetsuo Fukuda, Shinobu Sato +4 more | 2002-03-12 |
| 5779450 | Refrigerating apparatus having a fluid compressor | Takayoshi Fujiwara, Yoshinori Sone, Takuya Hirayama, Syunro Kawaguchi, Teruhisa Tsunekawa | 1998-07-14 |
| 5558512 | Fluid compressor with vertical longitudinal axis | Takayoshi Fujiwara, Masayuki Okuda, Yoshinori Sone | 1996-09-24 |
| 5542832 | Rotary fluid compressor having an oldham mechanism | Yoshinori Sone, Takayoshi Fujiwara, Takuya Hirayama, Hiroyasu Yoshizawa | 1996-08-06 |
| 5388969 | Fluid compressor with vertical longitudinal axis | Takayoshi Fujiwara, Masayuki Okuda, Yoshinori Sone | 1995-02-14 |
| 5360326 | Twin helical blade fluid compressor | Masayuki Okuda, Takayoshi Fujiwara | 1994-11-01 |
| 5336070 | Fluid compressor having roller bearing | Takayoshi Fujiwara, Masayuki Okuda | 1994-08-09 |
| 5286174 | Fluid compression device | Takayoshi Fujiwara, Toshikatsu Iida, Masayuki Okuda | 1994-02-15 |