Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7014438 | Fluid machinery | Takashi Fukuda, Takayoshi Fujiwara, Takuya Hirayama, Satoshi Oyama | 2006-03-21 |
| 6354825 | Helical blade fluid compressor having an aluminum alloy rotating member | Takayoshi Fujiwara, Takashi Honjo, Takuya Hirayama, Tetsuo Fukuda, Shinobu Sato +4 more | 2002-03-12 |
| 5927958 | Fluid machinery having a sealing member between stepped spirals | Hirotsugu Sakata, Satoshi Oyama | 1999-07-27 |
| 5788470 | Fluid machine having two spiral working mechanisms with a stepped shape section | Hirotsugu Sakata, Masao Ozu | 1998-08-04 |
| 5603614 | Fluid compressing device having coaxial spiral members | Hirotsugu Sakata | 1997-02-18 |
| 5558512 | Fluid compressor with vertical longitudinal axis | Takayoshi Fujiwara, Yoshinori Sone, Takashi Honjo | 1996-09-24 |
| 5388969 | Fluid compressor with vertical longitudinal axis | Takayoshi Fujiwara, Yoshinori Sone, Takashi Honjo | 1995-02-14 |
| 5360326 | Twin helical blade fluid compressor | Takayoshi Fujiwara, Takashi Honjo | 1994-11-01 |
| 5350280 | Fluid compressor | Toshiya Yajima, Takuya Hirayama, Hirotsugu Sakata, Makoto Hayano, Naoya Morozumi +2 more | 1994-09-27 |
| 5336070 | Fluid compressor having roller bearing | Takayoshi Fujiwara, Takashi Honjo | 1994-08-09 |
| 5332377 | Compressor with oversized blade | Takuya Hirayama | 1994-07-26 |
| 5299924 | Compressor having a blade shape for minimal strain | Haruhiko Hirata | 1994-04-05 |
| 5286174 | Fluid compression device | Takayoshi Fujiwara, Toshikatsu Iida, Takashi Honjo | 1994-02-15 |
| 5174737 | Fluid compressor with spiral blade | Hirotsugu Sakata, Tsugio Itami, Takuya Hirayama, Satoru Oikawa | 1992-12-29 |
| 5152682 | Scroll type fluid machine with passageway for innermost working chamber | Naoya Morozumi, Tsugio Itami, Hirotsugu Sakata, Makoto Hayano, Toshiya Yajima +1 more | 1992-10-06 |
| 5062778 | Helical blade type compressor with thrust loss compensation | Hitoshi Hattori, Hirotsugu Sakata, Makoto Hayano, Naoya Morozumi | 1991-11-05 |
| 5026264 | Fluid compressor | Naoya Morozumi, Hirotsugu Sakata, Makoto Hayano, Takayoshi Fujiwara, Moriaki Shimoda +1 more | 1991-06-25 |