Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797678 | Lubricant additive | Hitoshi Hata, Hisashi Machida | 2004-09-28 |
HS
Hiromichi Seiki
Idemitsu Kosan Co.: 1 patents #13 of 45Top 30%
Overall (2004): #208,302 of 270,089Top 80%
1
Patents 2004