Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7128528 | Bearings for CO2 refrigerant compressor use, compressor using the same, and applications of the same | Hiroshi Takayasu, Noboru Baba, Shouichi Nakashima, Toshiaki Yamanaka, Hiroaki Ogura +2 more | 2006-10-31 |
| 6258293 | Refrigeration cycle | Reishi Naka, Katsumi Fukuda, Makoto Tanaka, Yoshiharu Homma, Hiroaki Hata +3 more | 2001-07-10 |
| 6176094 | Refrigerating machine oil composition, and refrigeration and compressor using the refrigerating machine oil composition | Ryou Ohta, Yutaka Ito, Kenichi Kawashima, Juichi Arai | 2001-01-23 |
| 6029459 | Refrigeration cycle | Reishi Naka, Katsumi Fukuda, Makoto Tanaka, Yoshiharu Homma, Hiroaki Hata +3 more | 2000-02-29 |
| 5964581 | Refrigerant compressor | Reishi Naka, Katsumi Fukuda, Makoto Tanaka, Yoshiharu Homma, Hiroaki Hata +3 more | 1999-10-12 |
| 5711165 | Refrigerating apparatus and refrigerant compressor | Reishi Naka, Katsumi Fukuda, Makoto Tanaka, Yoshiharu Homma, Hiroaki Hata +3 more | 1998-01-27 |
| 5591023 | Rotary type compressor | Hideki Nakamura, Keiji Yamasaki, Fujio Yamane, Toshiki Yoshida, Akihiko Ishiyama | 1997-01-07 |
| 5553465 | Refrigeration apparatus containing lubricant composition | Katsumi Fukuda, Reishi Naka, Hiroaki Hata, Masahiko Gommori, Yoshiharu Homma | 1996-09-10 |
| 5494423 | Rotary compressor and blade tip structure | Akihiko Ishiyama, Ken'ichi Kawashima, Hirokatsu Kohsokabe, Shoichi Nakashima, Hideki Yazawa +3 more | 1996-02-27 |
| 5478220 | Compressor scroll made of silicon containing aluminum alloy | Yasuo Kamitsuma, Yusaku Nakagawa, Mitsuo Chigasaki, Kooichi Inaba, Keiichi Nakamura +2 more | 1995-12-26 |
| 5445753 | Lubricant for refrigeration compressors | Katsumi Fukuda, Reishi Naka, Hiroaki Hata, Masahiko Gommori, Yoshiharu Homma | 1995-08-29 |
| 5423664 | Iron-base alloy for rotary type compressors | Kazushi Fukuda, Akihiko Ishiyama, Hideki Yazawa, Shoichi Nakashima, Hideki Nakamura | 1995-06-13 |
| 5417872 | Lubricant composition, refrigeration apparatus containing same and process for operating the apparatus | Katsumi Fukuda, Reishi Naka, Hiroaki Hata, Masahiko Gommori, Yoshiharu Homma | 1995-05-23 |
| 5387272 | Highly ductile sintered aluminum alloy, method for production thereof and use thereof | Yasuo Kamitsuma, Yusaku Nakagawa, Mitsuo Chigasaki, Kooichi Inaba, Keiichi Nakamura +2 more | 1995-02-07 |
| 5364248 | Sliding member, a method for producing same, and usages of same | Shoichi Nakashima, Yukiko Fukaya, Katsuhiro Komuro | 1994-11-15 |
| 5346667 | Method of manufacturing sintered aluminum alloy parts | Yasuo Kamitsuma, Yusaku Nakagawa, Yoshihiro Kobayashi, Shoichi Nakashima, Keiichi Nakamura +1 more | 1994-09-13 |
| 5090882 | Rotary fluid machine having hollow vanes and refrigeration apparatus incorporating the rotary fluid machine | Yukio Serizawa, Koichi Sekiguchi, Yasuhiro Oshima | 1992-02-25 |
| 5087181 | Sliding structure such as compressor or the like | Yasuo Kamitsuma, Isao Ishi, Yusaku Nakagawa, Noriyuki Ohnaka, Kazushi Fukuda | 1992-02-11 |
| 4944663 | Rotary compressor having oxidizing and nitriding surface treatment | Kazushi Fukuda, Shin-ichiro Ishihara, Yasuo Kamitsuma, Yusaku Nakagawa | 1990-07-31 |