Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4552689 | Electrically conductive inorganic filler containing propylene polymer compositions | Hiroshi Yui, Yoshihiro Sobajima, Tsuyoshi Imamura, Michiya Okamura, Satoru Hattori | 1985-11-12 |
| 4504617 | Inorganic filler containing propylene polymer compositions | Hiroshi Yui, Yoshihiro Sobajima, Tsuyoshi Imamura, Michiya Okamura, Satoru Hattori | 1985-03-12 |