Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797384 | Heat-sensitive recording sheet | Akira Igarashi, Akihiro Shimomura | 1989-01-10 |
SS
Shinichiro Serizawa
Overall (1989): #56,894 of 140,708Top 45%
1
Patents 1989