Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492033 | Lead-free plain bearing and method for its manufacture | Issaku Sato | 2002-12-10 |
| 6389892 | Liquid level detection device and method of manufacturing conductor electrode used therefor | Koichi Sato | 2002-05-21 |