Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221274 | Lubricant compositions for refrigerating machine employing HFC-32, HFC-125 or HFC-134A | Noboru Masuda, Takeshi Izawa, Masayoshi Muraki, Kazuo Tagawa, Tomohiro Magome | 2001-04-24 |
| 5984647 | Process for producing a hermetic electric compressor | Fumiyuki Miyamoto, Yoshinori Shirafuji, Shinobu Ogasawara, Hitoshi Tokuyama, Yukio Hidaka +1 more | 1999-11-16 |
| 5953934 | Refrigerant circulating apparatus and method of assembling a refrigerant circuit | Hiroaki Makino, Takeshi Izawa, Yoshinori Shirafuji, Koji Yamashita | 1999-09-21 |
| 5531080 | Refrigerant circulating system | Takuho Hirahara, Susumu Kawaguchi, Tatsuaki Shimizu, Katsuyuki Kawasaki, Noboru Masuda +7 more | 1996-07-02 |