Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4432924 | Process for producing an electrically conductive monofilament | Kenji Umehara, Hiroshi Takeda | 1984-02-21 |
| 4248801 | Process for the production of tertiary amine having long chain alkyl group | Michito Sato, Daini Saika | 1981-02-03 |