Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887923 | Platen roll | Takumi Ishiwaka, Yukio Andoh, Michiyuki Yamaguchi, Shosuke Suzuki, Yoshinori Egashira +1 more | 1989-12-19 |
TY
Takeo Yokobori
Overall (1989): #51,949 of 140,708Top 40%
1
Patents 1989