Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815533 | Heat exchanger | Yoshihira Shiroshita | 1989-03-28 |
SH
Shintaro Harada
Overall (1989): #57,935 of 140,708Top 45%
1
Patents 1989