Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885008 | Method for improving cold flow of hydrocarbon fuel oils | Takaharu Ishizaki, Taizo Igarashi, Yumiko Onodera | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885008 | Method for improving cold flow of hydrocarbon fuel oils | Takaharu Ishizaki, Taizo Igarashi, Yumiko Onodera | 1989-12-05 |