Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6258293 | Refrigeration cycle | Tadashi Iizuka, Reishi Naka, Katsumi Fukuda, Makoto Tanaka, Hiroaki Hata +3 more | 2001-07-10 |
| 6029459 | Refrigeration cycle | Tadashi Iizuka, Reishi Naka, Katsumi Fukuda, Makoto Tanaka, Hiroaki Hata +3 more | 2000-02-29 |
| 5964581 | Refrigerant compressor | Tadashi Iizuka, Reishi Naka, Katsumi Fukuda, Makoto Tanaka, Hiroaki Hata +3 more | 1999-10-12 |
| 5711165 | Refrigerating apparatus and refrigerant compressor | Tadashi Iizuka, Reishi Naka, Katsumi Fukuda, Makoto Tanaka, Hiroaki Hata +3 more | 1998-01-27 |
| 5553465 | Refrigeration apparatus containing lubricant composition | Katsumi Fukuda, Tadashi Iizuka, Reishi Naka, Hiroaki Hata, Masahiko Gommori | 1996-09-10 |
| 5445753 | Lubricant for refrigeration compressors | Katsumi Fukuda, Tadashi Iizuka, Reishi Naka, Hiroaki Hata, Masahiko Gommori | 1995-08-29 |
| 5417872 | Lubricant composition, refrigeration apparatus containing same and process for operating the apparatus | Katsumi Fukuda, Tadashi Iizuka, Reishi Naka, Hiroaki Hata, Masahiko Gommori | 1995-05-23 |