Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654582 | Circuit wafer and TEG test pad electrode | Kazuhiro Kijima | 1997-08-05 |
| 5616019 | Rolling piston type expansion machine | Motonori Futamura, Kazuo Saito, Masao Ozu | 1997-04-01 |
| 5544269 | Optical transmission module and method of forming the same | — | 1996-08-06 |
| 5394221 | Image forming apparatus | Yasuhiro Kishimoto, Naoyuki Hashimoto | 1995-02-28 |
| 5258780 | Beam recorder forming low density dots | Hidetoshi Ema, Masaaki Ishida, Susumu Imakawa, Yoshinobu Takeyama | 1993-11-02 |
| 5129661 | Steel oil ring assembly | Sumio Ono, Hatsutaro Mizuno | 1992-07-14 |
| 5092131 | Gas expansion engine | Katumasa Araoka | 1992-03-03 |
| 5087055 | Steel oil ring assembly | Sumio Ono, Hatsutaro Mizuno | 1992-02-11 |
| 5062778 | Helical blade type compressor with thrust loss compensation | Hirotsugu Sakata, Makoto Hayano, Masayuki Okuda, Naoya Morozumi | 1991-11-05 |
| 5026264 | Fluid compressor | Naoya Morozumi, Hirotsugu Sakata, Makoto Hayano, Masayuki Okuda, Takayoshi Fujiwara +1 more | 1991-06-25 |
| 5006051 | Rotary two-cylinder compressor with delayed compression phases and oil-guiding bearing grooves | — | 1991-04-09 |
| 4875839 | Scroll member for use in a positive displacement device, and a method for manufacturing the same | Hirotsugu Sakata, Hiroaki Murasaki, Makoto Hayano, Naoya Morozumi, Kouichi Yoneyama +3 more | 1989-10-24 |
| 4708607 | Scroll compressor with lower and higher pressure chambers acting on the orbiting end plate | Makoto Hayano, Shigemi Nagatomo, Hirotsugu Sakata, Mitsuo Hatori | 1987-11-24 |
| 4673339 | Scroll compressor with suction port in stationary end plate | Makoto Hayano, Shigemi Nagatomo, Hirotsugu Sakata, Mitsuo Hatori | 1987-06-16 |