Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471498 | Fluid machinery having stepped spirals with axial pushing means for the moving spiral | Makoto Hayano | 2002-10-29 |
| 6338617 | Helical-blade fluid machine | Makoto Hayano, Akira Morishima, Masao Ozu | 2002-01-15 |
| 6186759 | Helical blade type compressor and a refrigeration cycle apparatus using the same | Makoto Hayano, Akira Morishima | 2001-02-13 |
| 6162035 | Helical-blade fluid machine | Makoto Hayano, Akira Morishima, Masao Ozu | 2000-12-19 |
| 5927958 | Fluid machinery having a sealing member between stepped spirals | Masayuki Okuda, Satoshi Oyama | 1999-07-27 |
| 5788470 | Fluid machine having two spiral working mechanisms with a stepped shape section | Masayuki Okuda, Masao Ozu | 1998-08-04 |
| 5603614 | Fluid compressing device having coaxial spiral members | Masayuki Okuda | 1997-02-18 |
| 5350280 | Fluid compressor | Toshiya Yajima, Takuya Hirayama, Makoto Hayano, Masayuki Okuda, Naoya Morozumi +2 more | 1994-09-27 |
| 5174737 | Fluid compressor with spiral blade | Tsugio Itami, Masayuki Okuda, Takuya Hirayama, Satoru Oikawa | 1992-12-29 |
| 5171141 | Scroll compressor with distal ends of the wraps having sliding contact on curved portions | Naoya Morozumi, Tsugio Itami, Makoto Hayano, Toshiya Yajima, Teruo Kobuna | 1992-12-15 |
| 5152682 | Scroll type fluid machine with passageway for innermost working chamber | Naoya Morozumi, Tsugio Itami, Makoto Hayano, Toshiya Yajima, Masayuki Okuda +1 more | 1992-10-06 |
| 5080566 | Fluid scroll machine with projection on one side of Oldham ring | Toshinobu Inoue, Satoru Oikawa | 1992-01-14 |
| 5062778 | Helical blade type compressor with thrust loss compensation | Hitoshi Hattori, Makoto Hayano, Masayuki Okuda, Naoya Morozumi | 1991-11-05 |
| 5040952 | Scroll-type compressor | Toshinobu Inoue, Satoru Oikawa, Katutoshi Kumashiro | 1991-08-20 |
| 5026264 | Fluid compressor | Naoya Morozumi, Makoto Hayano, Masayuki Okuda, Takayoshi Fujiwara, Moriaki Shimoda +1 more | 1991-06-25 |
| 4875839 | Scroll member for use in a positive displacement device, and a method for manufacturing the same | Hiroaki Murasaki, Makoto Hayano, Hitoshi Hattori, Naoya Morozumi, Kouichi Yoneyama +3 more | 1989-10-24 |
| 4762477 | Scroll compressor with control of lubricant flow | Makoto Hayano, Shigemi Nagatomo, Mitsuo Hatori | 1988-08-09 |
| 4708607 | Scroll compressor with lower and higher pressure chambers acting on the orbiting end plate | Makoto Hayano, Shigemi Nagatomo, Mitsuo Hatori, Hitoshi Hattori | 1987-11-24 |
| 4696630 | Scroll compressor with a thrust reduction mechanism | Shigemi Nagatomo, Makoto Hayano, Mitsuo Hatori | 1987-09-29 |
| 4673339 | Scroll compressor with suction port in stationary end plate | Makoto Hayano, Shigemi Nagatomo, Mitsuo Hatori, Hitoshi Hattori | 1987-06-16 |
| 4558997 | Scroll compressor with planar surfaces on the internal end portions of the scroll blades | Shigemi Nagatomo | 1985-12-17 |
| 4442682 | Turbine for use in refrigeration cycle | Shigemi Nagatomo, Takashi Matsuzaka | 1984-04-17 |
| 4426853 | Air conditioning system | Akio Mitani, Koichi Matsui | 1984-01-24 |