Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807448 | Freezing apparatus | Masahide Hashimoto, Yoshitaka Kurisu, Akio Katou | 1989-02-28 |
HS
Hiroshi Suenaga
Overall (1989): #104,088 of 140,708Top 75%
1
Patents 1989