Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478220 | Compressor scroll made of silicon containing aluminum alloy | Yusaku Nakagawa, Mitsuo Chigasaki, Tadashi Iizuka, Kooichi Inaba, Keiichi Nakamura +2 more | 1995-12-26 |
| 5387272 | Highly ductile sintered aluminum alloy, method for production thereof and use thereof | Yusaku Nakagawa, Mitsuo Chigasaki, Tadashi Iizuka, Kooichi Inaba, Keiichi Nakamura +2 more | 1995-02-07 |
| 5346667 | Method of manufacturing sintered aluminum alloy parts | Yusaku Nakagawa, Yoshihiro Kobayashi, Shoichi Nakashima, Tadashi Iizuka, Keiichi Nakamura +1 more | 1994-09-13 |
| 5087181 | Sliding structure such as compressor or the like | Isao Ishi, Yusaku Nakagawa, Noriyuki Ohnaka, Tadashi Iizuka, Kazushi Fukuda | 1992-02-11 |
| 4944663 | Rotary compressor having oxidizing and nitriding surface treatment | Tadashi Iizuka, Kazushi Fukuda, Shin-ichiro Ishihara, Yusaku Nakagawa | 1990-07-31 |