Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33113 | Pressure sensitive recording paper | Masataka Kiritani, Masayuki Aoki | 1989-11-14 |
HM
Hiroharu Matsukawa
Overall (1989): #104,851 of 140,708Top 75%
1
Patents 1989