Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9671055 | Vacuum heat insulating material | Yukio Nishikawa | 2017-06-06 |
| 9205331 | Mobile wireless handset and system including mobile wireless handset | Iwao Masuyama, Toshiaki Suzuki | 2015-12-08 |
| 6913840 | Magnesium alloy molded product and method for manufacturing the same | Yukio Nishikawa, Koji Matsunaga | 2005-07-05 |
| 6669900 | Method of manufacturing magnesium alloy molded product, painted structure thereof, method of painting the same, and casings using the same | Koji Matsunaga, Yukio Nishikawa, Naohiro Shikata, Mitsuharu Kamikawaji, Keizou Matsumura | 2003-12-30 |
| 5951266 | Evacuating apparatus having interengaging rotors with threads having a decreasing pitch at the exhaust side | Teruo Maruyama, Yoshikazu Abe, Yoshihiro Ikemoto | 1999-09-14 |
| 5836746 | Vacuum pump having lubrication and cooling systems | Teruo Maruyama, Yoshikazu Abe, Yoshihiro Ikemoto | 1998-11-17 |
| 5709537 | Evacuating apparatus | Teruo Maruyama, Yoshikazu Abe, Yoshihiro Ikemoto | 1998-01-20 |
| 5564907 | Evacuating apparatus | Teruo Maruyama, Yoshikazu Abe, Yoshihiro Ikemoto | 1996-10-15 |
| 5478210 | Multi-stage vacuum pump | Teruo Maruyama | 1995-12-26 |
| 5449276 | Two stage vacuum pump having different diameter interengaging rotors | Teruo Maruyama | 1995-09-12 |
| 5417551 | Housing arrangement for a synchronous plural motor fluid rotary apparatus | Yoshikazu Abe, Teruo Maruyama, Norio Okutani | 1995-05-23 |
| 5376871 | Method of controlling position of rotary shaft in magnetic bearing | Toru Nakagawa, Masakazu Nakashima | 1994-12-27 |
| 5374173 | Fluid rotating apparatus with sealing arrangement | Teruo Maruyama, Yoshikazu Abe | 1994-12-20 |
| 5302089 | Fluid rotating apparatus | Teruo Maruyama, Yoshikazu Abe | 1994-04-12 |
| 5295798 | Fluid rotating apparatus with rotor communicating path | Teruo Maruyama, Yoshikazu Abe | 1994-03-22 |
| 5271719 | Fluid rotating apparatus and method of controlling the same | Yoshikazu Abe, Teruo Maruyama | 1993-12-21 |
| 5247219 | Control apparatus of magnetic bearing | Tohru Nakagawa, Masakazu Nakashima | 1993-09-21 |
| 5205078 | Rotary apparatus | Toru Nakagawa | 1993-04-27 |
| 4969797 | Fan motor | Teruo Maruyama | 1990-11-13 |
| 4925321 | Dynamic pressure air bearing unit | Teruo Maruyama | 1990-05-15 |