Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6354825 | Helical blade fluid compressor having an aluminum alloy rotating member | Takayoshi Fujiwara, Masayuki Okuda, Takashi Honjo, Takuya Hirayama, Tetsuo Fukuda +4 more | 2002-03-12 |
| 5779450 | Refrigerating apparatus having a fluid compressor | Takayoshi Fujiwara, Takashi Honjo, Takuya Hirayama, Syunro Kawaguchi, Teruhisa Tsunekawa | 1998-07-14 |
| 5558512 | Fluid compressor with vertical longitudinal axis | Takayoshi Fujiwara, Masayuki Okuda, Takashi Honjo | 1996-09-24 |
| 5542832 | Rotary fluid compressor having an oldham mechanism | Takayoshi Fujiwara, Takashi Honjo, Takuya Hirayama, Hiroyasu Yoshizawa | 1996-08-06 |
| 5388969 | Fluid compressor with vertical longitudinal axis | Takayoshi Fujiwara, Masayuki Okuda, Takashi Honjo | 1995-02-14 |
| 5252048 | Fluid compressor having improved Oldham mechanism | Takayoshi Fujiwara, Hisanori Honma | 1993-10-12 |
| 5249931 | Axial flow fluid compressor with oldram coupling | Takayoshi Fujiwara, Hisanori Honma, Takuya Hirayama | 1993-10-05 |
| 5217361 | Fluid compressor having lubrication for two spiral blade compression sections | Takayoshi Fujiwara, Moriaki Shimoda, Noritsugu Kawashima, Kazuhisa Sumida | 1993-06-08 |
| 5184940 | Fluid compressor | Takayoshi Fujiwara, Hisanori Honma | 1993-02-09 |
| 5141423 | Axial flow fluid compressor with oil supply passage through rotor | Eiichi Aikawa, Takayoshi Fujiwara, Hisanori Honma, Takuya Hirayama | 1992-08-25 |
| 5139394 | Axial flow compressor with insertable bearing mount | Eiichi Aikawa, Takayoshi Fujiwara, Hisanori Honma, Takuya Hirayama | 1992-08-18 |
| 5125805 | Fluid compressor | Takayoshi Fujiwara, Hisanori Honma, Takuya Hirayama | 1992-06-30 |
| 5090874 | Fluid compressor | Eiichi Aikawa, Takayoshi Fujiwara, Hisanori Honma, Moriaki Shimoda | 1992-02-25 |
| 5090875 | Fluid compressor | Eiichi Aikawa, Takayoshi Fujiwara, Hisanori Honma | 1992-02-25 |
| 5028222 | Fluid compressor with axial thrust balancing | Toshikatsu Iida | 1991-07-02 |
| 4997352 | Rotary fluid compressor having a spiral blade with an enlarging section | Takayoshi Fujiwara, Hisanori Honma | 1991-03-05 |
| 4948347 | Fluid compressor | Takayoshi Fujiwara | 1990-08-14 |
| 4872820 | Axial flow fluid compressor with angled blade | Toshikatsu Iida, Takayoshi Fujiwara | 1989-10-10 |