Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362831 | Synergistic light and heat stabilizer compositions for synthetic resins and resin compositions containing the same | Mitsuo Akutsu, Takanori Semba | 1982-12-07 |
| 4279805 | Alkylene-bis-thioalkanoic acid amide stabilizers for synthetic resins and synthetic resin compositions containing the same | Takanori Semba | 1981-07-21 |
| 4258142 | Clarified olefin polymer composition | Mitsuo Akutsu, Junji Kawai | 1981-03-24 |
| 4239803 | Ethylene polymer composition | Mitsuo Akutsu, Yutaka Nakahara, Tohru Haruna, Motonobu Minagawa, Masahiro Nonoyama | 1980-12-16 |