Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887923 | Platen roll | Takumi Ishiwaka, Yukio Andoh, Shosuke Suzuki, Yoshinori Egashira, Takeo Yokobori +1 more | 1989-12-19 |
MY
Michiyuki Yamaguchi
Overall (1989): #74,848 of 140,708Top 55%
1
Patents 1989