Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881102 | Copier with variable magnification ratio | Masaru Nishijima | 1989-11-14 |
| 4873811 | Shredder | Masayoshi Izumitani | 1989-10-17 |
AS
Akihiro Soga
Overall (1989): #31,613 of 140,708Top 25%
2
Patents 1989