Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967842 | Electronic device | Hitoshi Aoki, Junichi Kubota, Junichi Motegi, Hirotaka Kakinuma, Naoki Otsuka +1 more | 2005-11-22 |
| 6644064 | Refrigerant and refrigerating device | Yasuki Takahashi, Takayuki Saitou, Miyuki Kawamura | 2003-11-11 |
| 6581404 | Refrigerant | Yasuki Takahashi, Takayuki Saitou, Miyuki Kawamura | 2003-06-24 |
| 6546738 | Stirling refrigerator | Hiroshi Sekiya, Takahiro Nakamura, Itsuo Nakazaki, Takashi Inoue, Ryousuke Tuihiji +7 more | 2003-04-15 |
| 6427479 | Refrigerating device utilizing carbon dioxide as a refrigerant | Yasuki Takahashi, Toshiyuki Ebara, Miyuki Kawamura | 2002-08-06 |
| 6385995 | Apparatus having a refrigeration circuit | Toshiyuki Ebara | 2002-05-14 |
| D454887 | Stirling refrigerating machine | Hiroshi Sekiya | 2002-03-26 |
| 6279325 | Stirling device | Hiroshi Sekiya, Nobuo Koumoto, Eiji Fukuda, Takashi Inoue, Hirotaka Kakinuma | 2001-08-28 |
| 6189335 | Multi-stage compressing refrigeration device and refrigerator using the device | Toshiyuki Ebara, Yoshio Ishiai, Masaya Tadano | 2001-02-20 |
| 6139296 | Method for treating metal surface, rotary shaft for refrigerant compressor treated by the method, vane for refrigerant compressor treated by the method, and refrigerant compressor using the same | Masazo Okajima, Ayumi Mori, Kazuhisa Ishikawa, Masahiko Kamata, Sachimine Suga +2 more | 2000-10-31 |
| 5806336 | Refrigeration apparatus and lubricating oil composition | Takashi Sunaga, Yoshinobu Obokata, Masazo Okajima, Yasuki Takahashi | 1998-09-15 |
| 5369287 | Refrigerator oil composition containing phenolic antioxidant amine and phosphoric triester components | Takashi Sunaga | 1994-11-29 |
| 4983313 | Refrigerating machine oil composition | Masato Kaneko, Minoru Takagi, Takashi Sunaga, Taira Mutoh | 1991-01-08 |
| 4800013 | Refrigerator oil composition | Ryozo Yamane, Takashi Kurihara, Hiroshi Kaise, Takashi Sunaga | 1989-01-24 |