Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12135029 | Scroll compressor including end-plate side stepped portions of each of the scrolls corresponding to wall-portion side stepped portions of each of the scrolls | Hajime Sato, Takuma YAMASHITA, Makoto Takeuchi, Genta Yoshikawa, Akihiro Kanai | 2024-11-05 |
| 11939977 | Scroll compressor including fixed and orbiting scroll having stepped portions and a surface hardened treatment | Hajime Sato, Makoto Takeuchi, Genta Yoshikawa, Katsuhiro Fujita, Takayuki Hagita +1 more | 2024-03-26 |
| 11326602 | Scroll compressor including end-plate side stepped portions of each of the scrolls corresponding to wall-portion side stepped portions of each of the scrolls | Hajime Sato, Takuma YAMASHITA, Makoto Takeuchi, Genta Yoshikawa, Akihiro Kanai | 2022-05-10 |
| 11218041 | Motor rotor, motor using same, and electric compressor | Ichiro Yogo, Akinori Yoshioka | 2022-01-04 |
| 11092155 | Scroll compressor including fixed and orbiting scrolls having different heights and surface hardenings | Hajime Sato, Makoto Takeuchi, Genta Yoshikawa, Katsuhiro Fujita, Takayuki Hagita +1 more | 2021-08-17 |
| 10844719 | Scroll fluid machine including a pair of fixed scrolls and an orbiting scroll | Makoto Takeuchi, Genta Yoshikawa, Hajime Sato, Takuma YAMASHITA, Takayuki Hagita +2 more | 2020-11-24 |
| 10815993 | Scroll fluid machine with improved power transmission mechanism | Keita KITAGUCHI, Takahide Ito, Makoto Takeuchi, Takuma YAMASHITA, Hirofumi Hirata | 2020-10-27 |
| 10766120 | Method and device for manufacturing compressor scrolls, compressor scroll, and scroll compressor | Takayuki Hagita, Takaharu Maeguchi, Masafumi Hamasaki, Yukio Michishita, Yukihiro Kawai +5 more | 2020-09-08 |
| 10487831 | Scroll compressor | Masahiro Ohta, Makoto Takeuchi | 2019-11-26 |
| 10330098 | Scroll compressor with controlled pressing force | Masahiro Ohta, Makoto Takeuchi | 2019-06-25 |
| 8628315 | Fluid machine | Hajime Sato, Makoto Takeuchi, Hiroshi Yamazaki, Shinta Mishima | 2014-01-14 |
| 8602756 | Scroll type compressor having an elastic member to suppress noise and reduce variations | Makoto Takeuchi, Takayuki Suzuki, Masahiro Ohta | 2013-12-10 |
| 8430647 | Compressor safety valve | Yuki Akaya | 2013-04-30 |
| 8403655 | Scroll compressor having an allowable angle of rotation | Takayuki Kuwahara, Tetsuzou Ukai, Katsuhiro Fujita, Tomohisa Moro | 2013-03-26 |
| 8313317 | Scroll fluid machine with cold forged eccentric crankshaft | Hiroshi Yamazaki, Makoto Takeuchi, Tetsuzou Ukai, Tomohisa Moro, Katsuhiro Fujita +2 more | 2012-11-20 |
| 8157553 | Scroll compressor having a shifted gravity center | Hiroshi Yamazaki, Makoto Takeuchi, Takahide Ito, Takamitsu Himeno, Tetsuzou Ukai +2 more | 2012-04-17 |
| 8152501 | Scroll compressor for preventing performance deterioration and variation due to gas leakage | Katsuhiro Fujita, Tomohisa Moro, Hirohumi Hirata, Masahiro Ohta, Takayuki Kuwahara +2 more | 2012-04-10 |
| 8038421 | Scroll compressor having an allowable angle of rotation | Takayuki Kuwahara, Tetsuzou Ukai, Katsuhiro Fujita, Tomohisa Moro | 2011-10-18 |
| 7905716 | Scroll compressor | Makoto Takeuchi, Takahide Ito, Hiroshi Yamazaki, Tetsuzou Ukai, Katsuhiro Fujita +2 more | 2011-03-15 |
| 7658600 | Scroll compressor with thrustplate peeling prevention | Katsuhiro Fujita, Takayuki Kuwahara, Tomohisa Moro, Makoto Takeuchi, Hiroshi Yamazaki +1 more | 2010-02-09 |
| 7604465 | Fluid machine and scroll compressor having a crankshaft with a large diameter shaft section | Katsuhiro Fujita, Tomohisa Moro, Takayuki Kuwahara, Tetsuzou Ukai, Norio Hioki +3 more | 2009-10-20 |
| 6987697 | Memory device | — | 2006-01-17 |
| 6312235 | Thrust ball bearing and open-type scroll compressor | Makoto Takeuchi, Tetsuzou Ukai, Shigeki Miura | 2001-11-06 |
| 6135737 | Scroll hydraulic machine | Shigeki Miura, Kimiharu Takeda, Takeshi Hirano | 2000-10-24 |
| 6077060 | Scroll-type fluid machine including float-protecting pin having partially-cut head | — | 2000-06-20 |