Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33113 | Pressure sensitive recording paper | Masataka Kiritani, Hiroharu Matsukawa | 1989-11-14 |
MA
Masayuki Aoki
Overall (1989): #82,385 of 140,708Top 60%
1
Patents 1989