Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475405 | Lubricating oil for refrigerator with compressor | Yasuhiro Kawaguchi, Nobuaki Shimizu, Hiroshi Nagakawa | 2002-11-05 |
| 6458288 | Lubricating oil for refrigerator with compressor | Yasuhiro Kawaguchi, Nobuaki Shimizu, Hiroshi Nagakawa | 2002-10-01 |