Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478220 | Compressor scroll made of silicon containing aluminum alloy | Yasuo Kamitsuma, Yusaku Nakagawa, Mitsuo Chigasaki, Tadashi Iizuka, Keiichi Nakamura +2 more | 1995-12-26 |
| 5387272 | Highly ductile sintered aluminum alloy, method for production thereof and use thereof | Yasuo Kamitsuma, Yusaku Nakagawa, Mitsuo Chigasaki, Tadashi Iizuka, Keiichi Nakamura +2 more | 1995-02-07 |
| 5304045 | Closed type motor-driven compressor, a scroll compressor and a scroll lap machining end mill | Nobutoshi Hoshino, Kazuo Ikeda, Shigeya Kawaminami, Atushi Shimada, Tatuya Wakana +9 more | 1994-04-19 |