Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551965 | Marine diesel engine lubricating oil composition having improved high temperature performance | Shigeru Iwamoto, Hirokazu Fujita | 2003-04-22 |
HN
Hiroyuki Nagamatsu
Overall (2003): #211,514 of 273,478Top 80%
1
Patents 2003