Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D622737 | Air compressor | Yuusuke Nagai, Hideki Fujimoto | 2010-08-31 |
| 7708538 | Oil free screw compressor | Natsuki Kawabata, Yusuke Nagai | 2010-05-04 |
| 7081311 | Fuel cell system | Hirotaka Kameya, Fumio Takeda, Masayuki Kasahara | 2006-07-25 |
| 6948915 | Oil free screw compressor | — | 2005-09-27 |
| 6860154 | Pressure sensor and manufacturing method thereof | Satoshi Yamamoto, Osamu Nakao, Masahiro Sato | 2005-03-01 |
| 6739841 | Oil free screw compressor operating at variable speeds and control method therefor | Hiroshi Ohta | 2004-05-25 |
| 6638030 | Oil free screw compressor | Akira Suzuki | 2003-10-28 |
| 6561766 | Oil free screw compressor operating at variable speeds and control method therefor | Hiroshi Ohta | 2003-05-13 |
| 6551082 | Oil free type screw compressor | Kenji Douzono | 2003-04-22 |
| 6471492 | Oil free screw compressor | Akira Suzuki | 2002-10-29 |
| 6461112 | Screw compression apparatus and operation control method thereof | Hiroshi Ohta, Masakazu Aoki, Hiroyuki Matsuda | 2002-10-08 |
| 6363791 | Pressure sensor | Akihito Kurosaka, Osamu Nakao, Takanao Suzuki, Masahiro Sato | 2002-04-02 |
| 6287088 | Oil free screw compressor | Akira Suzuki | 2001-09-11 |
| 5968449 | Iron base Si--Mn alloy or iron base Si--Mn--Ni alloy having good crushability and alloy powder thereof | Koichi Aoki, Atsuo Onoda, Masao Kamada, Kuniteru Suzuki, Shunji Kikuchi | 1999-10-19 |
| 5723788 | Angular velocity sensor having a balanced tuning fork structure | Jiro Terada, Hiroshi Takenaka, Masaharu Ushihara, Masami Tamura, Kikuo Kaino | 1998-03-03 |
| 5552854 | Visual line detection device and camera equipped therewith | — | 1996-09-03 |
| 5532784 | Eye-gaze detecting adapter | Masao Owashi | 1996-07-02 |
| 5445025 | Angular velocity sensor having a balanced tuning fork structure and the method of manufacture | Jiro Terada, Hiroshi Takenaka, Masaharu Ushihara, Masami Tamura, Kikuo Kaino | 1995-08-29 |
| 5416317 | Visual line detecting device | Toshimi Watanabe | 1995-05-16 |
| 4456807 | Induction heating cooking appliance | Yoshio Ogino, Takao Kobayashi, Yuji Tsuda | 1984-06-26 |