Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874800 | Polyester resin composition | Tsuyoshi Minamisawa, Katsunori Endo, Eitaro Ikegami | 1989-10-17 |
| D302829 | Ink ribbon cassette | Osamu Asakura | 1989-08-15 |
SN
Shigeru Nezu
Polyplastics Co.: 1 patents #11 of 44Top 25%
Overall (1989): #15,915 of 140,708Top 15%
2
Patents 1989