Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528304 | Polyamide resin composition | Kunio Hagiwara, Akira Aiba | 1985-07-09 |
| 4336129 | Method for treating a water-containing waste oil | Hiroshi Okazaki, Mahito Soeda, Takeharu Yushima | 1982-06-22 |