Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33113 | Pressure sensitive recording paper | Hiroharu Matsukawa, Masayuki Aoki | 1989-11-14 |
MK
Masataka Kiritani
Overall (1989): #80,596 of 140,708Top 60%
1
Patents 1989