Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875730 | Lubricant for refrigerating machine employing ammonia refrigerant | Takashi Kaimai, Hitoshi Takahashi, Kimiyoshi Namiwa, Ayako Saneyoshi | 2005-04-05 |
| 6875812 | Resin composition containing graft copolymer | Yoshikuni Akiyama, Minoru Sakata | 2005-04-05 |
| 6568195 | Ammonia refrigerating apparatus | Takashi Kaimai, Hitoshi Takahashi, Masato Namiki | 2003-05-27 |
| 6335311 | Lubricant for refrigerators using ammonia refrigerant | Masato Namiki, Takashi Kaimai, Hitoshi Takahashi | 2002-01-01 |
| 4963370 | Process for producing proteinous material | Yasuzo Uchida, Hitoshi Nagasaki, Keiji Koyama | 1990-10-16 |