Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670309 | Method and apparatus for preparing fluorine-based solvent | Hiroshi Chiba, Keiji Watanabe, Takeshi Tokairin | 2003-12-30 |
EY
Eishin Yamakawa
Overall (2003): #231,322 of 273,478Top 85%
1
Patents 2003