Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880874 | Resin of polycarbonate and graft copolymer of unsaturated epoxy monomer and ethylene-.alpha.-olefin base rubber | Mikio Hirai, Tomio Yoshida | 1989-11-14 |
| 4855355 | Molding resin composition | Mikio Hirai, Tomio Yoshida | 1989-08-08 |